JPS63134258U - - Google Patents
Info
- Publication number
- JPS63134258U JPS63134258U JP2421087U JP2421087U JPS63134258U JP S63134258 U JPS63134258 U JP S63134258U JP 2421087 U JP2421087 U JP 2421087U JP 2421087 U JP2421087 U JP 2421087U JP S63134258 U JPS63134258 U JP S63134258U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- lumen
- circumferential surface
- lead pipe
- lead
- 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
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 2
Landscapes
- Resistance Heating (AREA)
Description
第１図は本考案の二線式セラミツクグロープラ
グの実施例の要部の縦断面図、第２図は従来の二
線式セラミツクグロープラグの縦断面図、第３図
イはリード管の抜け強度試験法を示すための要部
の略図、第３図ロはリード管の抜け強度を示す図
、第４図イは中軸の抜け強度試験法を示すための
要部の略図、第４図ロは中軸の抜け強度を示す図
である。
１：発熱線、２：セラミツクヒータ、６：中軸
、９：リード管、１０：取付金具、１１：スリー
ブ、１２，１３：ガラスシール、１６，１７，１
８：環状の溝。
Figure 1 is a vertical cross-sectional view of the main parts of an embodiment of the two-wire ceramic glow plug of the present invention, Figure 2 is a vertical cross-sectional view of a conventional two-wire ceramic glow plug, and Figure 3 (A) shows the lead pipe being removed. Figure 3 (b) is a diagram showing the pull-out strength of the lead pipe; Figure 4 (a) is a schematic diagram of the main parts to show the pull-out strength test method for the center shaft; Figure 4 (b) is a schematic diagram of the main parts to show the strength test method. is a diagram showing the pull-out strength of the center shaft. 1: Heat generating wire, 2: Ceramic heater, 6: Center shaft, 9: Lead pipe, 10: Mounting bracket, 11: Sleeve, 12, 13: Glass seal, 16, 17, 1
8: Annular groove.
Claims (1)
ヒータがその先端部分を露出して取付金具の先端
部内腔に装着され、発熱線の両端がそれぞれ、取
付金具の後端部内腔に装着されたスリーブの内腔
に絶縁して保持されている円筒状の金属性リード
管及び該リード管内に絶縁して保持されている中
軸に接続されてなる二線式セラミツクグロープラ
グにおいて、上記中軸のリード管内に位置する外
周面、リード管のスリーブ内に位置する外周面及
びスリーブの内周面にそれぞれ環状の溝が形成さ
れ、かつ中軸、リード管及びスリーブの各相互間
の前記の絶縁保持がガラスシールによりなされて
いることを特徴とする二線式セラミツクグロープ
ラグ。 A ceramic heater made of a heating wire made of a high-melting point metal is installed in the lumen at the tip of the mounting bracket with its tip exposed, and both ends of the heating wire are installed in the lumen at the rear end of the mounting bracket. In a two-wire ceramic glow plug, which is connected to a cylindrical metal lead pipe insulated and held in the lumen of the lead pipe, and a central shaft insulated and held within the lead pipe, Annular grooves are formed on the outer circumferential surface of the central shaft, the outer circumferential surface of the lead tube located inside the sleeve, and the inner circumferential surface of the sleeve, and the insulation between the center shaft, the lead tube, and the sleeve is maintained by a glass seal. A two-wire ceramic glow plug characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2421087U JPS63134258U (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2421087U JPS63134258U (en) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63134258U true JPS63134258U (en) | 1988-09-02 |
Family
ID=30823236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2421087U Pending JPS63134258U (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63134258U (en) |
-
1987
- 1987-02-23 JP JP2421087U patent/JPS63134258U/ja active Pending
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