JPH0469892U - - Google Patents
Info
- Publication number
- JPH0469892U JPH0469892U JP11310490U JP11310490U JPH0469892U JP H0469892 U JPH0469892 U JP H0469892U JP 11310490 U JP11310490 U JP 11310490U JP 11310490 U JP11310490 U JP 11310490U JP H0469892 U JPH0469892 U JP H0469892U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- spark plug
- thread
- male
- tip
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Spark Plugs (AREA)
Description
第１図はこの考案の実施例であるスパークプラ
グの部分断面図、第２図はスパークプラグのプラ
グ孔装着時における各部分の寸法を示す要部拡大
断面図である。
１……スパークプラグ、２……絶縁体、３……
軸孔、４……中心電極、５……端子電極、６……
導電性ガラスシール、７……ガラスシール、８…
…主体金具、９……外側電極、１０……雄ネジ、
１０′……雄ネジ先、１１……エンジン、１２…
…プラグ孔、１３……雌ネジ、１４……ネジ先、
１５……燃焼室、１６……抵抗体。
FIG. 1 is a partial sectional view of a spark plug according to an embodiment of this invention, and FIG. 2 is an enlarged sectional view of the main parts showing the dimensions of each part when the spark plug is installed in a plug hole. 1...Spark plug, 2...Insulator, 3...
Shaft hole, 4... Center electrode, 5... Terminal electrode, 6...
Conductive glass seal, 7...Glass seal, 8...
... Metal shell, 9... Outer electrode, 10... Male screw,
10'...Male thread tip, 11...Engine, 12...
...Plug hole, 13...Female thread, 14...Screw tip,
15... Combustion chamber, 16... Resistor.
Claims (1)
スパークプラグ先端の雄ネジ先長をＡ、プラグ孔
径とネジ先径との差をＢ、雄ネジ先径をＣ、雄ネ
ジ谷径をＤ、及びエンジン側雌ネジ先長をＥとし
た時に、 Ｃ≦Ｄ ０＜Ｂ≦０．３mm ３．５mm≦Ａ，２．５mm≦Ｅ を満足してなるスパークプラグの主体金具。[Scope of claim for utility model registration] The length of the male thread at the tip of the spark plug screwed into the plug hole drilled in the engine is A, the difference between the diameter of the plug hole and the diameter of the thread is B, and the diameter of the male thread is C. A spark plug that satisfies the following: C≦D 0<B≦0.3mm 3.5mm≦A, 2.5mm≦E, where the male screw root diameter is D and the engine side female screw tip length is E. Main metal fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11310490U JPH0469892U (en) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11310490U JPH0469892U (en) | 1990-10-30 | 1990-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469892U true JPH0469892U (en) | 1992-06-19 |
Family
ID=31860652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11310490U Pending JPH0469892U (en) | 1990-10-30 | 1990-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469892U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127505A (en) * | 1976-04-16 | 1977-10-26 | Muneo Miyauchi | Mechanism for spark balancer torch lead nozzles narrow and wide openings multi openings circulating flow system |
-
1990
- 1990-10-30 JP JP11310490U patent/JPH0469892U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127505A (en) * | 1976-04-16 | 1977-10-26 | Muneo Miyauchi | Mechanism for spark balancer torch lead nozzles narrow and wide openings multi openings circulating flow system |
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