CN2243725Y - Sparkle plug with point ground pole - Google Patents
Sparkle plug with point ground pole Download PDFInfo
- Publication number
- CN2243725Y CN2243725Y CN 95224063 CN95224063U CN2243725Y CN 2243725 Y CN2243725 Y CN 2243725Y CN 95224063 CN95224063 CN 95224063 CN 95224063 U CN95224063 U CN 95224063U CN 2243725 Y CN2243725 Y CN 2243725Y
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- CN
- China
- Prior art keywords
- ground electrode
- advanced
- sophisticated
- electrode
- spark plug
- 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 ignition plug for an internal combustion engine, comprising a casing, a ceramic insulator, a binding post, a central electrode, and a ground electrode. The ignition surface of the ground electrode forms a pointed end shape. The utility model has the advantages of good starting performance, superior ignition quality, oil saving, etc. Power is enhanced, and the exhaust emission is reduced.
Description
The utility model relates to a kind of ignition plug for I. C. engine, specifically a kind of most advanced and sophisticated ground electrode spark plug.
Existing spark plug produces electric spark between its central electrode and the ground electrode under the ignition system high voltage pulse, thereby the mist in the ignition combustion chamber promotes piston, makes internal combustion engine operation.The structure of conventional ignition plug, its central electrode is cylindrical, and ground electrode is " " shape of single-point welding, and its ignition face is the plane.This spark plug utilizes the end plane of cylindrical center electrode, does dispersed arcing, and energy is little, to the gasoline of low temperature and air gas mixture, low concentration mist, miscella gas, and sometimes can not normal ignition.Chinese patent 94203588.7 is a kind of central electrode to be made tapered spark plug, as shown in Figure 2, this spark plug has utilized the point discharge principle, though starting performance makes moderate progress, but during conical centre's electrode discharge, spark is less, and ablates easily, the ablation post gap increases, and makes ignition difficulties.Its ground electrode of this spark plug is the plane, and broad, and when forming electric spark, ground electrode can absorb takes away a part of heat, and energy is reduced, and can cause stopping working when serious.Along with automobile, the motorcycle vehicles such as (ships) develop to high-speed, high compression ratio and powerful direction, existing spark plug is difficult to satisfy the high standard working condition requirement of these internal combustion engines.
The purpose of this utility model is at the deficiencies in the prior art, and its ground electrode is improved, and provides that a kind of ignition performance is superior, starting performance good, still can produce the spark plug of high-energy electric spark under the situation of high compression ratio.
The utility model is to realize goal of the invention by following scheme.
Most advanced and sophisticated ground electrode spark plug comprises housing 3, porcelain insulator 4, binding post 5, central electrode 1 and ground electrode 2, it is characterized in that the ignition face 6 of ground electrode makes most advanced and sophisticated shape, its most advanced and sophisticated centring electrode centers.Most advanced and sophisticated seamed edge angular range is good for 45 °～90 °.Most advanced and sophisticated ground electrode width equates with central electrode for good.Interstice coverage 0.5～the 1mm on the tip of ground electrode and central electrode plane, 0.65～0.7mm the best.
The utility model has following advantage and effect.
1, because ground electrode is made most advanced and sophisticated shape, most advanced and sophisticated gap sparking voltage with the central electrode formation is low, so ignition quality is good, can strengthen spark gap, and igniting is reliable, and burning fully.Can economize fuel oil 6～10%.
2, because burning is complete, and exhaust pollution is reduced, the protection environment.
3, because ground electrode is made the tip, and electrode width restrictedly, to absorb the heat of taking away few for ground electrode when setting fire, and energy increases, and makes horsepower improve 10%, the easier starting of vehicle, and idle running is more steady, and grade climbing performance is good.
4, because the ground electricity is made the tip, can reduce or prevent the carbon deposit polymers on the spark plug, extending plug useful life.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the spark plug configuration schematic diagram of a kind of conical centre electrode.
Embodiment of the present utility model as shown in Figure 1, most advanced and sophisticated ground electrode spark plug is made up of central electrode (1), ground electrode (2), housing (3), porcelain insulator (4), binding post (5), the ignition face 6 of ground electrode (2) is made most advanced and sophisticated shape, the center of its most advanced and sophisticated centring electrode (1), most advanced and sophisticated seamed edge angle is processed into 90 °, the width of most advanced and sophisticated ground electrode (2) is made with central electrode (1) wide, and to view, the plane clearance of the tip of ground electrode (2) and central electrode (1) is got 0.7mm as A.
Claims (6)
1, a kind of most advanced and sophisticated ground electrode spark plug of being made up of binding post (5), porcelain insulator (4) housing (3), ground electrode (2), central electrode (1) is characterized in that the ignition face 6 of ground electrode (2) is made most advanced and sophisticated shape.
2, most advanced and sophisticated ground electrode spark plug according to claim 1, the most advanced and sophisticated seamed edge angular range that it is characterized in that described ground electrode (2) is 45 °～90 °.
3, most advanced and sophisticated ground electrode spark plug according to claim 1 is characterized in that the width of described most advanced and sophisticated ground electrode (2) and central electrode (1) are wide.
4, most advanced and sophisticated ground electrode spark plug according to claim 2 is characterized in that the width of described most advanced and sophisticated ground electrode (2) and central electrode (1) are wide.
5, most advanced and sophisticated ground electrode spark plug according to claim 1 is characterized in that the interstice coverage of described most advanced and sophisticated ground electrode (2) and central electrode (1) is 0.5～1mm.
6, most advanced and sophisticated ground electrode spark plug according to claim 5 is characterized in that the best clearance of described most advanced and sophisticated ground electrode (2) and central electrode (1) is 0.65～0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224063 CN2243725Y (en) | 1995-10-20 | 1995-10-20 | Sparkle plug with point ground pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224063 CN2243725Y (en) | 1995-10-20 | 1995-10-20 | Sparkle plug with point ground pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2243725Y true CN2243725Y (en) | 1996-12-25 |
Family
ID=33870955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95224063 Expired - Fee Related CN2243725Y (en) | 1995-10-20 | 1995-10-20 | Sparkle plug with point ground pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2243725Y (en) |
-
1995
- 1995-10-20 CN CN 95224063 patent/CN2243725Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |