JPS62176995U - - Google Patents
Info
- Publication number
- JPS62176995U JPS62176995U JP6418486U JP6418486U JPS62176995U JP S62176995 U JPS62176995 U JP S62176995U JP 6418486 U JP6418486 U JP 6418486U JP 6418486 U JP6418486 U JP 6418486U JP S62176995 U JPS62176995 U JP S62176995U
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- pressure sensor
- hexagonal head
- metal fitting
- mounting screw
- 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 10
- 239000012212 insulator Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Description
第１図は本考案による圧力センサー内蔵型スパ
ークプラグの実施例の一部破砕断面図、第２図
は同じく本考案による圧力センサー内蔵型スパー
クプラグの実施例の一部破砕断面図、第３図は
本考案実施例及びならびに従来例の圧力セン
サー内蔵型スパークプラグの締付けトルクによる
圧力センサーの発生出力の割合を示すグラフ、第
４図は圧力センサー内蔵型スパークプラグの従来
例の一部縦断面図である。
１：磁器絶縁体、３：中心電極、１４，２４，
４４：主体金具、１４Ａ，２４Ａ：先端側金具、
１４Ｂ，２４Ｂ：後端側金具、１４Ｂ―１，２４
Ｂ―１，４４Ｂ―１：六角形頭部、１４Ｂ―２，
２４Ｂ―２，４４―３：取付ねじ部。
FIG. 1 is a partially exploded sectional view of an embodiment of a spark plug with a built-in pressure sensor according to the present invention, FIG. 2 is a partially exploded sectional view of an embodiment of a spark plug with a built-in pressure sensor according to the present invention, and FIG. 4 is a graph showing the ratio of the generated output of the pressure sensor according to the tightening torque of the spark plug with a built-in pressure sensor according to the embodiment of the present invention and the conventional example, and FIG. 4 is a partial vertical cross-sectional view of the conventional example of the spark plug with a built-in pressure sensor. It is. 1: Porcelain insulator, 3: Center electrode, 14, 24,
44: Main metal fitting, 14A, 24A: Tip side metal fitting,
14B, 24B: Rear end side metal fitting, 14B- 1 , 24
B- 1 , 44B- 1 : Hexagonal head, 14B- 2 ,
24B- 2 , 44-3 : Mounting screw part.
Claims (1)
該主体金具に包囲された磁気絶縁体、該絶縁体に
包囲された中心電極及び前記主体金具と絶縁体と
の間に嵌装された環状の圧力センサーとからなる
圧力センサー内蔵型スパークプラグにおいて、前
記主体金具が、外側電極を突設した先端側金具と
、六角形頭部、該六角形頭部に隣接する取付ねじ
部及び胴部からなる後端側金具とにより分割構成
され、上記取付ねじ部は上記胴部と絶縁体との間
に嵌装された圧力センサーの嵌装部位よりも六角
形頭部側に形成されており、六角形頭部及び取付
ねじ部の円筒状内周面は絶縁体外周面に密接し、
胴部の先端部は先端側金具の後端縁部に加締めら
れてプラグ座面となつていることを特徴とする圧
力センサー内蔵型スパークプラグ。 A hollow metal shell with an outer electrode protruding from the tip.
A spark plug with a built-in pressure sensor, comprising a magnetic insulator surrounded by the metal shell, a center electrode surrounded by the insulator, and an annular pressure sensor fitted between the metal shell and the insulator, The main metal fitting is divided into a distal end metal fitting with an outer electrode protruding thereon, and a rear end metal fitting consisting of a hexagonal head, a mounting screw portion adjacent to the hexagonal head, and a body portion, and the mounting screw The part is formed closer to the hexagonal head than the fitting part of the pressure sensor fitted between the body part and the insulator, and the cylindrical inner peripheral surface of the hexagonal head and the mounting screw part is In close contact with the outer circumferential surface of the insulator,
A spark plug with a built-in pressure sensor, characterized in that the tip of the body is crimped to the rear edge of the tip side metal fitting to serve as a plug seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6418486U JPS62176995U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6418486U JPS62176995U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62176995U true JPS62176995U (en) | 1987-11-10 |
Family
ID=30900112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6418486U Pending JPS62176995U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62176995U (en) |
-
1986
- 1986-04-30 JP JP6418486U patent/JPS62176995U/ja active Pending