JPS62192069U - - Google Patents
Info
- Publication number
- JPS62192069U JPS62192069U JP7834686U JP7834686U JPS62192069U JP S62192069 U JPS62192069 U JP S62192069U JP 7834686 U JP7834686 U JP 7834686U JP 7834686 U JP7834686 U JP 7834686U JP S62192069 U JPS62192069 U JP S62192069U
- Authority
- JP
- Japan
- Prior art keywords
- lumen
- glass
- glow plug
- heating element
- sealed
- 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 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000005394 sealing glass Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Resistance Heating (AREA)
Description
第１図は本考案の一実施例を示すシーズ型グロ
ープラグの要部縦断面図、第２図は本考案の他の
実施例を示すセラミツク型グロープラグの要部縦
断面図、第３図は従来のグロープラグの要部断面
図である。
１，１１……発熱体、４……中軸、６……主体
金具、６ａ……内腔、６ｂ……内腔先端、６ｃ…
…内腔後端、７……セラミツクリング、８……封
着ガラス。
Fig. 1 is a longitudinal cross-sectional view of a main part of a sheathed glow plug showing one embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view of a main part of a ceramic glow plug showing another embodiment of the present invention, and Fig. 3 1 is a sectional view of a main part of a conventional glow plug. 1, 11... Heating element, 4... Center shaft, 6... Metal shell, 6a... Inner cavity, 6b... End of inner cavity, 6c...
... Rear end of lumen, 7... Ceramic ring, 8... Sealing glass.
Claims (1)
、前記発熱体と電気的接続する中軸を主体金具の
内腔に挿通して内腔後端でガラス封着して成るグ
ロープラグにおいて、前記主体金具と中軸との間
の隙間にガラス封着温度では変形しない多孔質の
セラミツクリングを下側に配して低軟化点の封着
ガラスで封着したことを特徴とするグロープラグ
。 A glow plug in which a heating element is held at the tip of a lumen of a metal shell, and a central shaft electrically connected to the heating element is inserted into the lumen of the metal shell and sealed with glass at the rear end of the lumen. A glow plug characterized in that a porous ceramic ring that does not deform at glass sealing temperatures is placed on the lower side in the gap between the metal fitting and the center shaft, and the ring is sealed with low softening point sealing glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7834686U JPS62192069U (en) | 1986-05-24 | 1986-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7834686U JPS62192069U (en) | 1986-05-24 | 1986-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62192069U true JPS62192069U (en) | 1987-12-07 |
Family
ID=30927201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7834686U Pending JPS62192069U (en) | 1986-05-24 | 1986-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62192069U (en) |
-
1986
- 1986-05-24 JP JP7834686U patent/JPS62192069U/ja active Pending
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