CN201985434U - Spark plug grounding device - Google Patents
Spark plug grounding device Download PDFInfo
- Publication number
- CN201985434U CN201985434U CN201020661865XU CN201020661865U CN201985434U CN 201985434 U CN201985434 U CN 201985434U CN 201020661865X U CN201020661865X U CN 201020661865XU CN 201020661865 U CN201020661865 U CN 201020661865U CN 201985434 U CN201985434 U CN 201985434U
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- spark plug
- metal shell
- contact chip
- lead
- terminal
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Abstract
The utility model relates to a motor vehicle spark plug, especially to a spark plug grounding device. The technical scheme is that, a metal shell is comprised, the metal shell is contacted with a cylinder cover of the spark plug via a screwing screw thread to realize an indirect grounding, wherein, the surface of the metal shell is connected with a wiring conductor, and is in direct connection with the cathode of a engine power supply via the wiring conductor. The beneficial effects are that, a spark plug flashover loop of fire-new, independent and straight-through of the storage battery cathode is formed by using the grounding device to connect the cathode of the power supply and the outer shell of the spark plug directly; a spark grounding loop of the spark plug high-voltage ignition is solidified, making the flashover energy of the spark plug more powerful, steady and reliable, thereby improving the engine work efficiency, reducing the pollution discharge. The spark plug grounding device has positive meaning for energy saving.
Description
One, technical field:
The utility model relates to a kind of motor vehicle spark plug, particularly a kind of spark plug earthing device.
Two, background technology:
Spark plug, its effect is high-voltage conducting wires, the high voltage pulse discharge of electricity of sending here, mist between disruptive spark plug two electrodes, the mist in the cylinder that ignites behind the generation electric spark.The stable spark of spark plug will directly determine the performance of engine.The spark plug types of brand are various, useful life also is not quite similar, but structure is similar substantially, spark plug is by insulator and 1 liang of big part of metal shell, described metal shell has and is used for screwing screw thread 2, insulator 3 is housed in metal shell, and the insulator the inside is connecting a central electrode 4, there is binding post 5 the central electrode upper end, connects high-tension bus-bar; Be welded with grounding electrode 6 in the lower surface of metal shell, the gap of 0.5-1.1mm is arranged between central electrode 4 and the grounding electrode 6, high-tension electricity through this gap spark ignition gaseous mixture of will setting out out with going into.Spark plug is installed in engine cylinder by its outer casing screw to cover, and utilize this to be threaded the high-tension current grounded circuit is set up, spark plug high-tension ignition electric current (electric charge) generally will pass through spark-plug shell, and the cylinder cap of spark-plug thread connection, the set bolt that cylinder cap links to each other with cylinder body be delivered to cylinder body, relend with the connecting bolt that is fixed on the cylinder body and compress connection lead one end connector, connect lead other end joint and be fixed on battery terminal negative, set up a complete loop.
According to the spark plug operation principle, the high-tension electricity that high-tension coil sends, the electric spark that between central electrode and grounding electrode, sends in the gap, electric spark quality quality has determined the operating state of cylinder.In the spark plug work, center pole, grounding electrode, and the importance of high-tension electricity repeats no more.Influence spark plug electric spark quality except high-tension electricity and electrode, also have the minus earth loop of no less important with it, whether grounded circuit has well determined the formation and the release of (electric charge) energy of electric spark equally.In the lightning protection lightning measure, drawing the thunder ground wire must buriedly be exactly this reason.
Existing solution spark plug ground connection need be passed through several different mediums, different connected modes just are able to send electric charge back to power cathode, during engine uses since oil pollution, pollutions of spark plug retaining thread, engine vibration corrosion etc. will inevitably exert an influence by the anticathode grounded circuit, and then to spark plug sparking and engine operation generation negative effect.
Three, summary of the invention:
The purpose of this utility model is exactly the above-mentioned defective that exists at prior art, a kind of spark plug earthing device is provided, power cathode is connected by wire conductors with the spark plug metal shell, forms the good spark plug grounded circuit of independent completion, to improve the reliability of spark plug spark.
Its technical scheme is: comprise metal shell, metal shell contacts with the spark plug cylinder cap and realizes indirect earthedly by screwing screw thread, wherein, connects wire conductors on the metal shell surface, directly is connected with the engine power cathode by wire conductors.
Wherein, a kind of technical scheme is that wire conductors is to connect lead, and an end of described connection lead is connected on the spark plug metal shell by welding, riveted joint or Sheet Metal Forming Technology, and the other end directly links to each other with the engine power cathode.
Above-mentioned connection lead is a flexible conductor, flexible conductor is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, and directly the end with lead is fixed on the spark-plug shell arbitrfary point.
Above-mentioned connection lead is the hard lead of elemental metals, the hard lead of elemental metals is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, directly the end with the hard lead of elemental metals is fixed on the spark-plug shell arbitrfary point, and wherein, the hard lead of elemental metals is more than two times or two times of spark plug length.
Another kind of technical scheme is that wire conductors is a conductor terminal, and an end of described conductor terminal is plugged on the metal shell of spark plug, and the other end of conductor terminal directly links to each other with the engine power cathode.
Specifically, conductor terminal mainly is made up of hexagon terminal, elastic contact chip, mounting bracket and lead, elastic contact chip is housed respectively on the inwall of hexagon terminal, wherein be provided with mounting bracket at two opposite faces, wherein a mounting bracket is connected with lead, promote two mounting brackets the hexagonal body of hexagon terminal and spark plug is pegged graft, elastic contact chip closely is connected with the side of the hexagonal body of spark plug.
Above-mentioned conductor terminal is mainly by the ring bodies of circular hole in the outer-hexagonal shape band, form plug receptacle, elastic metallic contact chip, it is a plurality of to the elastic metallic contact chip is installed respectively in the plug receptacle, being connected in parallel by connecting lead of elastic metallic contact chip, it is a plurality of to the corresponding connection of column earth electrode on the metal shell of plug receptacle and spark plug that the ring bodies of circular hole is provided with in the outer-hexagonal shape band.
Above-mentioned conductor terminal mainly is made up of ring-type contact chip, high-voltage line rubber cap, and the ring-type contact chip is socketed in the tail end of high-voltage line rubber cap, and the cup-shaped earth electrode on the outer ring surface of ring-type contact chip and the metal shell of spark plug flexibly connects; Described cup-shaped earth electrode is fixed on the metal shell.
Above-mentioned conductor terminal mainly is made up of hexagon terminal, elastic contact chip and high-voltage line rubber cap, described hexagon terminal is provided with a plurality of elastic contact chips, the hexagon terminal is installed in the tail end inside of high-voltage line rubber cap, and the elastic contact chip of hexagon terminal closely is connected with the metal shell of spark plug.
Above-mentioned conductor terminal mainly is made up of cylindrical metal shell, through hole, outer six sides, and a side of cylindrical metal shell is provided with through hole, outer six sides, and opposite side directly is connected with the metal shell of spark plug.
The beneficial effects of the utility model are: by earthing device power cathode directly is connected with spark-plug shell, form a brand-new independent straight-through battery terminal negative spark plug sparking loop, solidify spark plug high-tension ignition spark grounded circuit, make that the spark plug sparking energy is stronger, more reliable and more stable, and then improve engine operation efficient, and reduce disposal of pollutants, for energy savings positive meaning is arranged.
Four, description of drawings:
Accompanying drawing 3 is hexagon terminal and spark plug grafting schematic diagram;
Accompanying drawing 6 is grafting schematic diagrames of the spark plug of hexagon terminal and band high-voltage line rubber cap;
Among the last figure: metal shell 1, screw screw thread 2, insulator 3, central electrode 4, binding post 5, grounding electrode 6, hexagonal body 7, flexible conductor 8, the hard lead 9 of elemental metals, hexagon terminal 10, elastic contact chip 11, mounting bracket 12, lead 13, the ring bodies 14 of circular hole in the outer-hexagonal shape band, to plug receptacle 15, elastic metallic contact chip 16, column earth electrode 17, ring-type contact chip 18, high-voltage line rubber cap 19, cup-shaped earth electrode 20, tail end 21, outer six sides 22, through hole 23, cylindrical metal shell 24.
Five, embodiment:
In conjunction with the accompanying drawings 1, the utility model will be further described:
Spark plug earthing device of the present utility model is by metal shell 1 and wire conductors two big parts, described metal shell 1 have be used to screw in cylinder screw screw thread 2, on described metal shell 1, connect wire conductors, be connected with the engine power cathode by wire conductors.
Its operation principle is: the utility model makes the electric current of high voltage flash pass through lead rapidly, returns power supply (storage battery) with the most direct the shortest form.In the plug ignition, the direct earthing device of spark plug metal shell directly connects spark-plug shell and power cathode by lead, forms direct grounded circuit, the release that spark plug high-tension ignition spark can be more reliable and more stable.Change existing spark plug and use the spark plug metal shell to screw the connection of screw thread ground connection, do not have direct loop, its circuit connects multi-level, multimedium, the problem that electric current resistance major break down point is many.Utilize spark plug and lead that the ground connection jockey is independently arranged, form independently grounded circuit, strengthening spark plug grounded circuit improves spark plug operational environment state, reaches to improve engine operation efficient, reduces disposal of pollutants, the purpose of energy savings.
Embodiment 1: with reference to accompanying drawing 1, wire conductors is for connecting lead, and an end of described connection lead is connected on the spark plug metal shell 1 by welding, riveted joint or Sheet Metal Forming Technology, and the other end directly links to each other with the engine power cathode; Above-mentioned connection lead adopts flexible conductor 8, flexible conductor is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, and directly the end with lead is fixed on the spark-plug shell arbitrfary point.Shell lead and the engine battery terminal negative mode that directly links to each other no longer describes in detail.
Embodiment 2: with reference to accompanying drawing 2, above-mentioned connection lead is the hard lead 9 of elemental metals, the hard lead of elemental metals is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, directly the end with the hard lead of elemental metals is fixed on the spark-plug shell arbitrfary point, wherein, the hard lead of elemental metals is more than two times or two times of spark plug length, other structures be connected with reference to embodiment 1.
Embodiment 3: with reference to accompanying drawing 3, wire conductors is a conductor terminal, and an end of described conductor terminal is plugged on the metal shell 1 of spark plug, and the other end of conductor terminal directly links to each other with the engine power cathode.Specifically, a kind of scheme is: conductor terminal mainly is made up of hexagon terminal 10, elastic contact chip 11, mounting bracket 12 and lead 13, elastic contact chip 11 is housed respectively on the inwall of hexagon terminal 10, wherein be provided with mounting bracket 12 at two opposite faces, wherein a mounting bracket 12 is connected with lead 13, promote two mounting brackets the hexagon terminal 10 and the hexagonal body 7 of spark plug are pegged graft, elastic contact chip 11 closely is connected with the side of the hexagonal body 7 of spark plug.
Embodiment 4: with reference to accompanying drawing 4, wherein, the ring bodies 14 of circular hole in conductor terminal mainly is with by outer-hexagonal shape, to plug receptacle 15, the elastic metallic contact chip forms 16, it is a plurality of to elastic metallic contact chip 16 is installed respectively in the plug receptacle 15, elastic metallic contact chip 16 is connected in parallel by connecting lead, it is a plurality of to the column earth electrode 17 corresponding connections on the metal shell 1 of plug receptacle 15 and spark plug that the ring bodies 14 of circular hole is provided with in the outer-hexagonal shape band, the cross section of its column earth electrode 17 can be circular, rectangle, and be fixed on hexagonal body 7 on the plane of binding post 5, by one, two, three or many compositions.
Embodiment 5: with reference to accompanying drawing 5, wherein, conductor terminal mainly is made up of ring-type contact chip 18, high-voltage line rubber cap 19, and ring-type contact chip 18 is socketed in the tail end 21 of high-voltage line rubber cap 19, and the cup-shaped earth electrode 20 on the outer ring surface of ring-type contact chip 18 and the metal shell of spark plug flexibly connects; Described cup-shaped earth electrode 20 is fixed on the metal shell.
Embodiment 6: with reference to accompanying drawing 6, wherein, conductor terminal mainly is made up of hexagon terminal 10, elastic contact chip 11 and high-voltage line rubber cap 19, described hexagon terminal 10 is provided with a plurality of elastic contact chips 11, hexagon terminal 10 is installed in the tail end inside of high-voltage line rubber cap 19, and the elastic contact chip 11 of hexagon terminal 10 closely is connected with the metal shell 1 of spark plug.
Embodiment 7: with reference to accompanying drawing 7, wherein, conductor terminal mainly is made up of cylindrical metal shell 24, through hole 23, outer six sides 22, one side of cylindrical metal shell 24 is provided with through hole 23, outer six sides 22, opposite side directly is connected with the metal shell 1 of spark plug, the convenient earth connection that connects utilizes the design of its through hole and six squares, spark plug for convenience detach simultaneously.
Claims (10)
1. spark plug earthing device, comprise metal shell (1), metal shell (1) by screw screw thread (2) contact with the spark plug cylinder cap realize indirect earthed, it is characterized in that: connect wire conductors on described metal shell (1) surface, directly be connected with the engine power cathode by wire conductors.
2. spark plug earthing device according to claim 1, it is characterized in that: described wire conductors is for connecting lead, one end of described connection lead is connected on the spark plug metal shell (1) by welding, riveted joint or Sheet Metal Forming Technology, and the other end directly links to each other with the engine power cathode.
3. spark plug earthing device according to claim 2 is characterized in that: described connection lead is flexible conductor (8), flexible conductor is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, and directly the end with lead is fixed on the spark-plug shell arbitrfary point.
4. spark plug earthing device according to claim 2, it is characterized in that: described connection lead is the hard lead of elemental metals (9), the hard lead of elemental metals is adopted PROCESS FOR TREATMENT such as welding, punching press, riveted joint, directly the end with the hard lead of elemental metals is fixed on the spark-plug shell arbitrfary point, wherein, the hard lead of elemental metals is more than two times or two times of spark plug length.
5. spark plug earthing device according to claim 1, it is characterized in that: described wire conductors is a conductor terminal, one end of described conductor terminal is plugged on the metal shell (1) of spark plug, and the other end of conductor terminal directly links to each other with the engine power cathode.
6. spark plug earthing device according to claim 5, it is characterized in that: described conductor terminal is mainly by hexagon terminal (10), elastic contact chip (11), mounting bracket (12) and lead (13) are formed, elastic contact chip (11) is housed respectively on the inwall of hexagon terminal (10), wherein be provided with mounting bracket (12) at two opposite faces, wherein a mounting bracket (12) is connected with lead (13), promote two mounting brackets the hexagon terminal (10) and the hexagonal body (7) of spark plug are pegged graft, elastic contact chip (11) closely is connected with the side of the hexagonal body (7) of spark plug.
7. spark plug earthing device according to claim 5, it is characterized in that: described conductor terminal is mainly by the ring bodies (14) of circular hole in the outer-hexagonal shape band, form plug receptacle (15), elastic metallic contact chip (16), it is a plurality of to elastic metallic contact chip (16) is installed respectively in the plug receptacle (15), being connected in parallel of elastic metallic contact chip (16) by connecting lead, it is a plurality of to the corresponding connection of column earth electrode (17) on the metal shell of plug receptacle and spark plug that the ring bodies (14) of circular hole is provided with in the outer-hexagonal shape band; The cross section of described column earth electrode (17) can be circle or rectangle, and is fixed on the upside of metal shell.
8. spark plug earthing device according to claim 5, it is characterized in that: described conductor terminal mainly is made up of ring-type contact chip (18), high-voltage line rubber cap (19), ring-type contact chip (18) is socketed in the tail end (21) of high-voltage line rubber cap (19), and the cup-shaped earth electrode (20) on the outer ring surface of ring-type contact chip (18) and the metal shell of spark plug flexibly connects; Described cup-shaped earth electrode (20) is fixed on the metal shell.
9. spark plug earthing device according to claim 5, it is characterized in that: described conductor terminal mainly is made up of hexagon terminal (10), elastic contact chip (11) and high-voltage line rubber cap (19), described hexagon terminal (10) is provided with a plurality of elastic contact chips (11), hexagon terminal (10) is installed in the tail end inside of high-voltage line rubber cap (19), and the elastic contact chip (11) of hexagon terminal (10) closely is connected with the metal shell (1) of spark plug.
10. spark plug earthing device according to claim 5, it is characterized in that: described conductor terminal mainly is made up of cylindrical metal shell (24), through hole (23), outer six sides (22), one side of cylindrical metal shell (24) is provided with through hole (23), outer six sides (22), and opposite side directly is connected with the metal shell (1) of spark plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020661865XU CN201985434U (en) | 2010-12-16 | 2010-12-16 | Spark plug grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020661865XU CN201985434U (en) | 2010-12-16 | 2010-12-16 | Spark plug grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985434U true CN201985434U (en) | 2011-09-21 |
Family
ID=44612886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020661865XU Expired - Fee Related CN201985434U (en) | 2010-12-16 | 2010-12-16 | Spark plug grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779523A (en) * | 2014-06-24 | 2015-07-15 | 张少华 | Device for preventing electrode material from electric spark erosion damage |
-
2010
- 2010-12-16 CN CN201020661865XU patent/CN201985434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779523A (en) * | 2014-06-24 | 2015-07-15 | 张少华 | Device for preventing electrode material from electric spark erosion damage |
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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: 20110921 Termination date: 20181216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |