CN103794987A - Sparking plug of gasoline engine - Google Patents
Sparking plug of gasoline engine Download PDFInfo
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- CN103794987A CN103794987A CN201410024734.3A CN201410024734A CN103794987A CN 103794987 A CN103794987 A CN 103794987A CN 201410024734 A CN201410024734 A CN 201410024734A CN 103794987 A CN103794987 A CN 103794987A
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- arcing
- tension electricity
- ground wire
- high voltage
- bonding body
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention relates to a sparking plug of a gasoline engine. The sparking plug of the gasoline engine comprises a high voltage nut, an insulation porcelain body, a bonding body and a high voltage leading-out electrode. An insulating layer is arranged between the high voltage leading-out electrode and the inner wall of the bonding body. The bonding body is provided with a ground wire arcing electrode. The sparking plug of the gasoline engine is characterized in that the side face where the end of the ground wire arcing electrode extends to the end of the high voltage leading-out electrode is opposite to the side wall of the end of the high voltage leading-out electrode, and the opposite arcing faces at the end of the ground wire arcing electrode and the end of the high voltage leading-out electrode are both spherical surfaces. According to the sparking plug, due to the fact that the opposite arcing faces at the end of the ground wire arcing electrode and the end of the high voltage leading-out electrode are both the spherical surfaces, a point discharge effect is formed, so that the electric spark is stable, and the strength is higher; the obstruction of combustion molecule diffusion is smaller, combustion molecule diffusion is more smooth, the arcing direction is also changed to be the direction facing the deep portion in a combustion chamber, and therefore the combustion efficiency of combination gas is greatly improved.
Description
Technical field
The present invention relates to a kind of gasoline IC engine sparking plug.
Background technology
Gasoline IC engine sparking plug conventionally by high-tension electricity nut, insulating ceramic, be provided with the bonding body (ground wire) of hexagonal nuts and screw thread, high-tension electricity nut stretches out from insulating ceramic end, high-tension electricity extraction pole exposes from the bonding body center of the other end, between high-tension electricity extraction pole and bonding body inwall, be provided with insulating barrier, on bonding body, extend the front of a ground wire arcing best high-tension electricity extraction pole end, between the extreme portion of ground wire arcing and high-tension electricity extraction pole end, under high voltage, form arcing.Traditional spark plug, because the arcing face on the extreme portion of ground wire arcing and high-tension electricity extraction pole end is plane, causes electric spark dispersion, arcing weakened, and it is excessive that blast wave intercepts face, affects combustion efficiency; And the ground wire arcing utmost point is in the front of high-tension electricity extraction pole end, and the molecule that therefore burns can only be walked around bonding body, pass loose downwards; Blast wave is intercepted by bonding body; Ignition point is far away apart from piston, and piston is stressed slower; As in Figure 2-4.
Summary of the invention
The object of the invention is to provide for overcoming the deficiencies in the prior art that a kind of electric spark is powerful, air-fuel mixture burning and ignition effectiveness is higher, the stressed gasoline IC engine sparking plug faster of piston.
For achieving the above object, a kind of gasoline IC engine sparking plug provided by the present invention, comprise high-tension electricity nut, insulating ceramic, bonding body and high-tension electricity extraction pole, between high-tension electricity extraction pole and bonding body inwall, there is an insulating barrier, bonding body is provided with a ground wire arcing utmost point, it is characterized in that: it is relative with high-tension electricity extraction pole end sidewalls that the extreme portion of described ground wire arcing extends to high-tension electricity extraction pole end sides, relative arcing face is sphere in the extreme portion of described ground wire arcing and on high-tension electricity extraction pole end.
The spark plug of said structure is because relative arcing face in the extreme portion of described ground wire arcing and on high-tension electricity extraction pole end is sphere, on the one hand, arcing face is sphere and forms point discharge effect, therefore voltage (electromagnetic field) high concentration a bit on, electric spark is more concentrated, stable, and intensity is stronger; On the other hand, arcing face is after sphere, the direction of arcing also becomes horizontal arcing from original longitudinal arcing, than conventional ignition plug, expand the diffusion space of burning molecule, the obstruction that burning molecular diffusion is subject to is less, and burning molecular diffusion is more smooth and easy, is more conducive to the combustion efficiency of gaseous mixture.
As the further setting of the present invention, described insulating barrier exceeds bonding body end face, exceeds part and is about 0.3 ~ 3.5 times of himself diameter, and high-tension electricity extraction pole is higher than insulating barrier end face, exceeds part and is about 0.3 ~ 3.5 times of himself diameter.Be preferably described insulating barrier and exceed bonding body end face part and be about 1.5 times of himself diameter, high-tension electricity extraction pole is 2.0 times of himself diameter higher than insulating barrier end face part.
By above-mentioned setting, the length of stretching out due to insulating barrier is longer, and the spark plug that spark plug overall length is more traditional is longer, so, the gas shock of inlet and outlet, to arcing position, is conducive to lower temperature on the one hand, reduce self-resistance, increase jump-spark current intensity; On the other hand, the arcing point of spark plug is more deeply to the deep inside of combustion chamber, and burning, diffusion to " gaseous mixture " are faster, easier ato unit; On the one hand, ignition point approaches piston more, makes piston stressed faster, has improved engine power again.
By contrast test, use gasoline IC engine sparking plug of the present invention not only more powerful than using the vehicle power of conventional ignition plug, igniting is reliable, and fuel is more economized, and due to the raising of combustion efficiency, has reduced the discharge of waste gas, has reduced the pollution to atmosphere.
Below in conjunction with accompanying drawing, the invention will be further described with enforcement.
Accompanying drawing explanation
Accompanying drawing 1 is specific embodiment of the invention surface structure schematic diagram;
Accompanying drawing 2 is the molecular diffusion schematic diagram that burns under conventional ignition plug use state;
Accompanying drawing 5 is air inlet under conventional ignition plug use state, exhaust airstream schematic diagram;
Accompanying drawing 6 is the molecular diffusion schematic diagram that burns under spark plug use state of the present invention;
Accompanying drawing 7 is electric spark diffusion schematic diagram under spark plug use state of the present invention;
Accompanying drawing 8 is accompanying drawing 7 II portion partial enlarged drawings;
Accompanying drawing 9 is air inlet under spark plug use state of the present invention, exhaust airstream schematic diagram.
Embodiment
Embodiment: as shown in Figure 1, gasoline IC engine sparking plug is still provided with high-tension electricity nut 1, insulating ceramic 2, with bonding body 3 ground wires of hexagonal nuts and screw thread, high-tension electricity nut 1 stretches out from insulating ceramic 2 ends, high-tension electricity extraction pole 5 exposes from bonding body 3 centers of the other end, between high-tension electricity extraction pole 5 and bonding body 3 inwalls, there is an insulating barrier 4, insulating barrier 4 exceeds bonding body 3 end faces, exceed part and be about 0.3 ~ 3.5 times of himself diameter, specifically determine according to spark plug specification, conventionally take 1.0-1.5 doubly as good, high-tension electricity extraction pole 5 is higher than insulating barrier 4 end faces, exceed part and be about 0.3 ~ 3.5 times of himself diameter, exceeding equally part specifically determines according to spark plug specification, the 1.2-2.0 that is generally himself diameter is doubly advisable, the ground wire arcing utmost point 31 on bonding body 3 extends to high-tension electricity extraction pole 5 end sides, it is relative with sidewall and leave arcing gap that end bends towards high-tension electricity extraction pole 5 sidewalls, relative arcing face is sphere on the described ground wire arcing utmost point 31 ends and on high-tension electricity extraction pole 5 ends, can be only specifically that the relative face in the described ground wire arcing utmost point 31 ends and high-tension electricity extraction pole 5 ends is sphere (being hemisphere face), also can the described ground wire arcing utmost point 31 ends and high-tension electricity extraction pole 5 ends all be made spherical.
Fig. 5-7 are used view for spark plug of the present invention is arranged in cylinder 6, and the both sides of cylinder 6 top spark plugs are respectively arranged with inlet valve 7 and exhaust valve 8.As shown in Figure 9, the length of stretching out due to insulating barrier is longer, the spark plug that spark plug overall length is more traditional is longer, it is darker that the ground wire arcing utmost point 31 ends and high-tension electricity extraction pole 5 ends enter the combustion chamber 61 of cylinder 6, so, the air-flow of inlet and outlet more easily impacts arcing position on the one hand, is conducive to lower temperature, reduce self-resistance, be conducive to improve jump-spark current intensity; On the other hand, the arcing point of spark plug is more deeply to the deep inside of combustion chamber 61, and burning, diffusion to " gaseous mixture " are faster, more easily light a fire successfully; On the one hand, ignition point approaches piston 9 more, makes piston 9 stressed faster, has improved engine power, as shown in Figure 6 again; In addition, arcing face is sphere, and on the one hand, arcing face is sphere and forms point discharge effect, and therefore voltage (electromagnetic field) high concentration is a bit upper, and electric spark is more concentrated, stable, and intensity is stronger; On the other hand, arcing face is after sphere, the direction of arcing also becomes horizontal arcing from original longitudinal arcing, than conventional ignition plug, the diffusion space that has expanded burning molecule, the obstruction that burning molecular diffusion is subject to is less, and burning molecular diffusion is more smooth and easy, more be conducive to reliable ignition, as shown in Figure 7,8.
Claims (4)
1. a gasoline IC engine sparking plug, comprise high-tension electricity nut (1), insulating ceramic (2), bonding body (3) and high-tension electricity extraction pole (5), between high-tension electricity extraction pole (5) and bonding body (3) inwall, there is an insulating barrier (4), bonding body (3) is provided with a ground wire arcing utmost point (31), it is characterized in that: it is relative with high-tension electricity extraction pole (5) end sidewalls that the described ground wire arcing utmost point (31) end extends to high-tension electricity extraction pole (5) end sides, relative arcing face is sphere on the described ground wire arcing utmost point (31) end and on high-tension electricity extraction pole (5) end.
2. gasoline IC engine sparking plug according to claim 1, is characterized in that: the described ground wire arcing utmost point (31) end and high-tension electricity extraction pole (5) end are spherical.
3. gasoline IC engine sparking plug according to claim 1, it is characterized in that: described insulating barrier (4) exceeds bonding body (3) end face, exceed part and be about 0.3 ~ 3.5 times of himself diameter, high-tension electricity extraction pole (5) is higher than insulating barrier (4) end face, exceeds part and is about 0.3 ~ 3.5 times of himself diameter.
4. gasoline IC engine sparking plug according to claim 3, it is characterized in that: described insulating barrier (4) exceeds bonding body (3) end face part and is about 1.5 times of himself diameter, high-tension electricity extraction pole (5) is 2.0 times of himself diameter higher than insulating barrier (4) end face part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024734.3A CN103794987A (en) | 2014-01-20 | 2014-01-20 | Sparking plug of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024734.3A CN103794987A (en) | 2014-01-20 | 2014-01-20 | Sparking plug of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103794987A true CN103794987A (en) | 2014-05-14 |
Family
ID=50670435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410024734.3A Pending CN103794987A (en) | 2014-01-20 | 2014-01-20 | Sparking plug of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103794987A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214711Y (en) * | 1994-08-28 | 1995-12-06 | 张志东 | Discharging spark plug |
| WO2004040723A1 (en) * | 2002-11-01 | 2004-05-13 | Jin Hwan Kim | Electric spark plug |
| CN1864307A (en) * | 2003-08-03 | 2006-11-15 | 霍斯尼·埃伯黑·萨伯利 | Spark plug |
| CN2870238Y (en) * | 2006-02-20 | 2007-02-14 | 陈三明 | Gasoline IC engine sparking plug |
| JP2012009395A (en) * | 2010-06-28 | 2012-01-12 | Daihatsu Motor Co Ltd | Spark plug for spark ignition type internal combustion engine |
-
2014
- 2014-01-20 CN CN201410024734.3A patent/CN103794987A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214711Y (en) * | 1994-08-28 | 1995-12-06 | 张志东 | Discharging spark plug |
| WO2004040723A1 (en) * | 2002-11-01 | 2004-05-13 | Jin Hwan Kim | Electric spark plug |
| CN1864307A (en) * | 2003-08-03 | 2006-11-15 | 霍斯尼·埃伯黑·萨伯利 | Spark plug |
| CN2870238Y (en) * | 2006-02-20 | 2007-02-14 | 陈三明 | Gasoline IC engine sparking plug |
| JP2012009395A (en) * | 2010-06-28 | 2012-01-12 | Daihatsu Motor Co Ltd | Spark plug for spark ignition type internal combustion engine |
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