JPS6190194U - - Google Patents
Info
- Publication number
- JPS6190194U JPS6190194U JP17627784U JP17627784U JPS6190194U JP S6190194 U JPS6190194 U JP S6190194U JP 17627784 U JP17627784 U JP 17627784U JP 17627784 U JP17627784 U JP 17627784U JP S6190194 U JPS6190194 U JP S6190194U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- conductive sheath
- metal tube
- insulator
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims 5
- 238000003466 welding Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000000615 nonconductor Substances 0.000 claims 1
- 239000003989 dielectric material Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Description
第１図及び第２図は、それぞれ本考案の一実施
例を示すシーズヒータの密封構造の断面図、第３
図は従来のシーズヒータの密封構造の断面図であ
る。
１…金属管、３…発熱線、４…端子、５…導電
シース、６…電気絶縁碍子、７…保持シース、８
…封口部。
1 and 2 are a cross-sectional view of a sealed structure of a sheathed heater showing an embodiment of the present invention, and FIG.
The figure is a sectional view of the sealed structure of a conventional sheathed heater. DESCRIPTION OF SYMBOLS 1...Metal tube, 3...Heating wire, 4...Terminal, 5...Conductive sheath, 6...Electric insulator, 7...Holding sheath, 8
...Sealing section.
Claims (1)
充填固着した発熱線及びこの発熱線と接続した端
子とを備えた金属管と、この金属管の開口端部に
設けた碍子と、この碍子の貫通穴を通して前記金
属管内から外方向に突出した端子と、この突出し
た端子の外周面を被覆し、かつ前記碍子の貫通穴
内にまで延びた導電シースと、前記金属管の外周
端部面から碍子面にまで延びて、これらを被覆し
た保持シースとを含むシーズヒータにおいて、前
記保持シース、碍子、金属管及び導電シースとの
それぞれは、互いに熔接により接続され、前記導
電シース内に位置している端子の先端部が、前記
導電シースの先端開口部を封口した封口部と離間
して設けられるとともに、前記端子４の先端部に
はその先端面から端子の長手方向に深溝あるいは
スリツト形状などの空隙部が形成されていること
を特徴とするシーズヒータの密封構造。 (2) 導電シースの先端開口部を封口した封口部
は、導電シースと熔接により接続された封口部材
を含むことを特徴とする実用新案登録請求の範囲
第１項のシーズヒータの密封構造。 (3) 導電シースの先端開口部を封口した封口部
は、導電シースと熔接により接続された封口部材
を含み、この封口部材から突出した突出部材が、
前記端子の先端部に形成した空隙部内に挿入され
て位置することを特徴とする実用新案登録請求の
範囲第１項のシーズヒータの密封構造。[Scope of Claim for Utility Model Registration] (1) A metal tube with a heating wire filled and fixed inside the metal tube via an inorganic electrical insulator and a terminal connected to the heating wire, and an opening in the metal tube. An insulator provided at the end, a terminal protruding outward from the inside of the metal tube through a through hole in the insulator, and a conductive sheath covering the outer peripheral surface of the protruding terminal and extending into the through hole in the insulator. , a sheathed heater including a holding sheath extending from the outer peripheral end surface of the metal tube to an insulator surface and covering these, wherein each of the holding sheath, the insulator, the metal tube, and the conductive sheath are connected to each other by welding. The tip of the terminal located inside the conductive sheath is provided apart from a sealing part that seals the tip opening of the conductive sheath, and the tip of the terminal 4 is provided with a terminal from its tip surface. A sealed structure for a sheathed heater, characterized in that a cavity in the form of a deep groove or slit is formed in the longitudinal direction of the sheathed heater. (2) The sealed structure for a sheathed heater according to claim 1, wherein the sealing portion that seals the distal end opening of the conductive sheath includes a sealing member connected to the conductive sheath by welding. (3) The sealing part that seals the distal opening of the conductive sheath includes a sealing member connected to the conductive sheath by welding, and a protruding member protruding from the sealing member,
The sealed structure of a sheathed heater according to claim 1, wherein the sealed structure is inserted into a gap formed at the tip of the terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984176277U JPH0348871Y2 (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984176277U JPH0348871Y2 (en) | 1984-11-20 | 1984-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6190194U true JPS6190194U (en) | 1986-06-12 |
| JPH0348871Y2 JPH0348871Y2 (en) | 1991-10-18 |
Family
ID=30733877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984176277U Expired JPH0348871Y2 (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348871Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS41773Y1 (en) * | 1964-02-17 | 1966-01-26 | ||
| JPS52170737U (en) * | 1976-06-18 | 1977-12-24 |
-
1984
- 1984-11-20 JP JP1984176277U patent/JPH0348871Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS41773Y1 (en) * | 1964-02-17 | 1966-01-26 | ||
| JPS52170737U (en) * | 1976-06-18 | 1977-12-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348871Y2 (en) | 1991-10-18 |