CN201294331Y - Repairability spark plug for natural gas engine - Google Patents
Repairability spark plug for natural gas engine Download PDFInfo
- Publication number
- CN201294331Y CN201294331Y CNU2008201742704U CN200820174270U CN201294331Y CN 201294331 Y CN201294331 Y CN 201294331Y CN U2008201742704 U CNU2008201742704 U CN U2008201742704U CN 200820174270 U CN200820174270 U CN 200820174270U CN 201294331 Y CN201294331 Y CN 201294331Y
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- China
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- natural gas
- spark plug
- sparking plug
- lengthening
- gas engine
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- Expired - Fee Related
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Abstract
The utility model relates to a repairable natural gas engine sparking plug, which comprises a petrol engine sparking plug, a sparking plug short connecting tube, a porcelain lower insulator, a prolonged shell, a heat-proof insulation rubber ring, an insulating plastic tube, a prolonged center line electrode connection rod and a porcelain upper insulator. A homemade sparking plug whose outer diameter is manufactured is used as the head portion of a natural gas machine sparking plug, and the prolonged shell and the head portion of the sparking plug are connected through the sparking plug short connecting tube. The design guarantees the length of the natural gas machine sparking plug, the natural gas machine sparking plug whose outer shell is manufactured can be disassembled and replaced through the short connecting tube, and other non-perishable components can be repeatedly used, which not only is convenient for purchase, but also can lower the production cost. The repairable natural gas engine sparking plug has repairable performance, and internal components can be disassembled and replaced, which is beneficial for repairing natural gas engines.
Description
Technical field
The utility model relates to a kind of engine ignitor, particularly a kind of recoverability natural gas engine spark plug.
Technical background
Spark plug is the critical piece of natural gas engine igniting system, and it is bearing machinery, chemistry and electric loading effect in the cylinder.Mainly be by high voltage, make the rapid ionization of air between central electrode and lateral electrode, produce the high temperature spark, light natural gas and Air mixing gas.The spark plug that general natural gas engine uses all is the long 410mm of shell, the external diameter extraordinary spark plug as 25mm, and this spark plug is U.S.'s import, and useful life is greatly about 1600 hours.Because this spark plug is a consumable accessory, disposable use, can't repair, the domestic special producer that does not also produce this spark plug so far, the use of domestic natural gas engine spark plug relies on U.S.'s import always, this just is the use increase cost of natural gas engine, the professional use that also limits natural gas engine in accessory source.
Summary of the invention
The purpose of this utility model provides a kind of recoverability natural gas engine spark plug, can allow the natural gas engine spark plug have recoverability or inner member substitutability, to save the spark plug use cost.
The purpose of this utility model is achieved in that based on regular gasoline machine spark plug, the shell of regular gasoline machine spark plug is processed the critical piece of back as the natural gas machine spark plug slightly, by the nipple that has internal and external threads the spark-plug shell of gasoline engine is connected with the lengthening housing, the middle line electrode of gasoline engine is by the lengthening center line electrode connection bar lengthening that is with plastic insulating tube, and the ceramics insulator up and down of natural gas machine inside plays insulating effect to line electrode and spark plug lengthening housing in the lengthening.This utility model comprises gasoline engine spark plug, spark plug nipple, porcelain lower insulator, lengthening housing, high temperature insulation cushion rubber, and exhausted body is formed on ambroin pipe, lengthening center line electrode connection bar, the porcelain.External diameter is passed through the head of the homemade spark plug of processing as the natural gas machine spark plug, the lengthening housing is connected with the spark plug head by the spark plug nipple.In the lengthening housing, by gasoline engine spark plug tail end lengthening center line electrode connection bar is housed, be with the ambroin pipe on the junction pole.Porcelain lower insulator and porcelain upper insulator are embedded between lengthening housing and the lengthening center line electrode connecting line bar.This design makes the length of natural gas machine spark plug be guaranteed, and shell can dismounting and change by nipple through the gasoline engine spark plug of processing, and other non-easy worn part can be reused, and both conveniently purchases like this, also reduces production costs.The utlity model has recoverability, inner member is detachably replaced, and is beneficial to the maintenance of natural gas engine.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.1 is that gasoline engine spark plug, 2 is the porcelain upper insulator for lengthening center line electrode connection bar, 8 for ambroin pipe, 7 for high temperature insulation cushion rubber, 6 for lengthening housing, 5 for porcelain lower insulator, 4 for spark plug nipple, 3 among the figure.
Embodiment
With reference to accompanying drawing 1, external diameter is passed through the head of the homemade spark plug of processing as the natural gas machine spark plug, by spark plug nipple (2) lengthening housing (4) is connected with the spark plug head.In lengthening housing (4), by gasoline engine spark plug (1) tail end lengthening center line electrode connection bar (7) is housed, lengthening center line electrode connection bar (7) is with ambroin pipe (6).Porcelain lower insulator (3) and porcelain upper insulator (8) are embedded between lengthening housing (4) and the lengthening center line electrode connection bar (7).Playing insulation protection does.During installation, at first homemade spark-plug shell is processed into equally size of nipple endoporus, be screwed into along the nipple internal thread then, the neutral electrode junction pole is received on the connecting bolt of homemade spark plug, on tube connector, also should put the ambroin pipe, pack into lower insulator again, at last the lengthening housing is tightened by the nipple external screw thread.The utlity model has recoverability, inner member is detachably replaced, the regular gasoline engine spark plug is done sharp processing slightly after, the main member of being used as the natural gas engine spark plug, thus realize production domesticization, conveniently purchase, reduce purchase cost, be beneficial to the maintenance of natural gas engine.
Claims (3)
1, a kind of recoverability natural gas engine spark plug, comprise that gasoline engine spark plug (1), spark plug nipple (2), porcelain lower insulator (3), lengthening housing (4), high temperature insulation cushion rubber (5), ambroin pipe (6), lengthening center line electrode connection bar (7), porcelain upper insulator (8) form, it is characterized in that the head of the homemade spark plug of external diameter process processing as the natural gas machine spark plug is connected lengthening housing (4) by spark plug nipple (2) with the spark plug head.
2, recoverability natural gas engine spark plug according to claim 1, it is characterized in that in lengthening housing (4), lengthening center line electrode connection bar (7) being housed, be with ambroin pipe (6) on the lengthening center line electrode connection bar (7) by gasoline engine spark plug (1) tail end.
3, recoverability natural gas engine spark plug according to claim 1 is characterized in that porcelain lower insulator (3) and porcelain upper insulator (8) are embedded between lengthening housing (4) and the lengthening center line electrode connection bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201742704U CN201294331Y (en) | 2008-10-27 | 2008-10-27 | Repairability spark plug for natural gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201742704U CN201294331Y (en) | 2008-10-27 | 2008-10-27 | Repairability spark plug for natural gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294331Y true CN201294331Y (en) | 2009-08-19 |
Family
ID=41007812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201742704U Expired - Fee Related CN201294331Y (en) | 2008-10-27 | 2008-10-27 | Repairability spark plug for natural gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294331Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377309A (en) * | 2020-11-13 | 2021-02-19 | 四川泛华航空仪表电器有限公司 | Repairable aeroengine ignition electric nozzle device |
-
2008
- 2008-10-27 CN CNU2008201742704U patent/CN201294331Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377309A (en) * | 2020-11-13 | 2021-02-19 | 四川泛华航空仪表电器有限公司 | Repairable aeroengine ignition electric nozzle device |
| CN112377309B (en) * | 2020-11-13 | 2022-09-13 | 四川泛华航空仪表电器有限公司 | Repairable aeroengine ignition electric nozzle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20091127 |