CN203536729U - Anti-breakdown spark plug - Google Patents
Anti-breakdown spark plug Download PDFInfo
- Publication number
- CN203536729U CN203536729U CN201320634599.5U CN201320634599U CN203536729U CN 203536729 U CN203536729 U CN 203536729U CN 201320634599 U CN201320634599 U CN 201320634599U CN 203536729 U CN203536729 U CN 203536729U
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- CN
- China
- Prior art keywords
- spark plug
- sealant layer
- insulator
- voltage resistant
- resistant sealant
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an anti-breakdown spark plug. The anti-breakdown spark plug comprises a central electrode, a lateral electrode, a wiring screw, a conductive housing, an insulator and a terminal, the external surface of the insulator is provided with a high-temperature high-voltage resistant sealant layer, one end of the high-temperature high-voltage resistant sealant layer extends to an end portion of the conductive housing, and the other end of the high-temperature high-voltage resistant sealant layer extends to the terminal. The insulator portion can be effectively prevented from being broken down by high voltage, service lifetime of the spark plug can be prolonged, and air pollution can be reduced.
Description
Technical field
The utility model relates to a kind of resistance and wears spark plug, for the engine of internal combustion engine.
Background technology
Along with social progress, all types of motor vehicles have had many improvement at aspect of performance, so in internal combustion engine, the improvement of spark plug is also imperative.The effect of spark plug is the high voltage pulse discharge of electricity that high-voltage conducting wires is sent here, and air between disruptive spark plug two electrodes produces electric spark with the mist in this cylinder that ignites.The primary condition of high-performance enginer is the stable spark of high-energy, the gaseous mixture mixing, high compression ratio, the significance level of visible spark plug.In motor vehicle, in each cylinder, contain a spark plug; spark plug is under the process continuous stimulation of pulsed high-voltage; the insulator part of the spark plug under long-time stimulation just there will be leaky; if at this moment do not change spark plug; not only high automotive performance cannot embody again; and if the mist in the cylinder that ignites of electric spark is discharged in air and also can causes air pollution; environment is had to no small impact; so both be unfavorable for the embodiment of automotive performance, be also unfavorable for the protection to environment.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of resistance and wears spark plug, spark plug is worn in this resistance not only can prevent that insulator part is by high voltage pulse electrical breakdown effectively, spark plug can not punctured easily, if and and the cylinder that ignites of electric spark in mist be discharged in air and also can cause air pollution, environment is had to no small impact.
For overcoming the above problems, concrete technical scheme of the present utility model is as follows: spark plug is worn in a kind of resistance, comprise central electrode, lateral electrode, wiring screw rod, conductive shell, insulator, terminal, outer surface at insulator is provided with high temperature high voltage resistant sealant layer, one end of high temperature high voltage resistant sealant layer extends to the end of conductive shell, and the other end of high temperature high voltage resistant sealant layer extends on terminal.
This resistance wear spark plug by insulator exterior high temperature high voltage resistant sealant layer is set, make insulator part breakdown characteristics be improved significantly, be difficult for breakdown.
accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, spark plug is worn in a kind of resistance, comprise central electrode 2, lateral electrode 7, wiring screw rod 1, conductive shell 3, insulator 5, terminal 4, it is characterized in that: the outer surface at insulator 5 is provided with high temperature high voltage resistant sealant layer 6, one end of high temperature high voltage resistant sealant layer 6 extends to the end of conductive shell 3, and the other end of high temperature high voltage resistant sealant layer 6 extends on terminal 4.Wherein high temperature high voltage resistant sealant layer, is solidified and is formed by colloidal liquid, makes high temperature high voltage resistant sealant layer and insulative body portion be divided into one, make insulator part breakdown characteristics be improved significantly, can be not breakdown easily.
Improvement structure of the present utility model is mainly that original one deck ceramics insulator 5 protective barriers change to the two-layer protective barrier of the outer increase high temperature high voltage resistant of ceramics insulator 5 sealant layer 6, the whole resistance of protective barrier worn, improved the useful life of overall spark plug, simultaneously because the high-tension electricity of spark plug is without leakage, igniting fully, therefore make the fuel combustion in cylinder abundant, not only improved the power of internal combustion engine, and saved fuel, reduced the pollution of air.
Claims (1)
1. spark plug is worn in a resistance, comprise central electrode (2), lateral electrode (7), wiring screw rod (1), conductive shell (3), insulator (5), terminal (4), it is characterized in that: the outer surface at insulator (5) is provided with high temperature high voltage resistant sealant layer (6), one end of high temperature high voltage resistant sealant layer (6) extends to the end of conductive shell (3), and the other end of high temperature high voltage resistant sealant layer (6) extends on terminal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634599.5U CN203536729U (en) | 2013-10-15 | 2013-10-15 | Anti-breakdown spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634599.5U CN203536729U (en) | 2013-10-15 | 2013-10-15 | Anti-breakdown spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536729U true CN203536729U (en) | 2014-04-09 |
Family
ID=50422906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320634599.5U Expired - Fee Related CN203536729U (en) | 2013-10-15 | 2013-10-15 | Anti-breakdown spark plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203536729U (en) |
-
2013
- 2013-10-15 CN CN201320634599.5U patent/CN203536729U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141015 |
|
| EXPY | Termination of patent right or utility model |