CN203193121U - Spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes - Google Patents
Spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes Download PDFInfo
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- CN203193121U CN203193121U CN 201320140790 CN201320140790U CN203193121U CN 203193121 U CN203193121 U CN 203193121U CN 201320140790 CN201320140790 CN 201320140790 CN 201320140790 U CN201320140790 U CN 201320140790U CN 203193121 U CN203193121 U CN 203193121U
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Abstract
The utility model discloses a spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes, which comprises a spark plug cap and a spark plug. The spark plug comprises a steel cylindrical spark plug housing, wherein an insulating porcelain body is arranged in the spark plug housing. The spark plug cap comprises a spark plug cap housing, wherein a first cavity and a second cavity are arranged in the spark plug cap housing at interval, a first cold-cathode gas discharge tube and a second cold-cathode gas discharge tube are respectively arranged in the first and second cavities, structures of the cold-cathode gas discharge tubes are identical, each cold-cathode gas discharge tube comprises a condensation discharge tube, two axial ends of the condensation discharge tube are respectively equipped with a first copper inner cap sleeve and a second copper inner cap sleeve, and a first sheet copper electrode, a second sheet copper electrode and a third sheet copper electrode are separately arranged in the condensation discharge tube in parallel. The combined structure improves ignition stability, and enables combustion of mixed gas to be more fully. The condensation discharge tube is equipped with three electrodes, and compared with the discharge tube with two electrodes, distance between electrodes is shortened; and stereoscopic discharge space is increased, discharged energy is improved, and breakdown discharge is easier.
Description
Technical field
The utility model relates to piston type gasoline or gas internal-combustion engine accessory field, relates in particular to the combining structure of a kind of spark plug and spark plug cap.
Background technology
The spark plug that production and selling uses on the present Motorcycle Market, great majority are that a central electrode (central electrode claims " discharge electrode bar " again) disposes one or more lateral electrodes, what form is single-point " igniting ", namely have only one " ignition point ", therefore the ignition energy that forms a little less than, make in the cylinder mixture combustion insufficient.In addition, also has a class multi-gap spark plug, namely between a central electrode and one or more lateral electrode, insert a bridged electrodes (transition electrode), though increased ignition point, increased ignition gap, because its arcing gap is cascaded structure, ignition energy is had relatively high expectations, and arcing instability between bridged electrodes (transition electrode) and the lateral electrode, thus the overall efficiency of spark plug sparking influenced, and this type of spark plug seldom uses on motorcycle.
Existing motorcycle is with the spark plug use that need match with the spark plug cap of the high-voltage line of motorcycle ignition coil, and the motorcycle spark plug cap is the spark plug power supply; Existing motorcycle spark plug cap has insulation shell, and its inside has only simple conductive structure, and because of simple in structure, the insulation shell length of therefore existing motorcycle spark plug cap is shorter.Existing motorcycle spark plug its inner (being discharge igniting one end) in use inserts in the Cylinder of motorcycle, and its outer end (being that electric energy is imported an end) is provided with the electric energy input structure suitable with ignition coil, i.e. the discharge end of existing motorcycle spark plug and input is positioned at spark plug in same rectilinear direction opposite end.Because the insulation shell length of existing motorcycle spark plug cap is shorter, so spark plug and spark plug cap after being plugged on together also are large enough to hold in the space at Cylinder of motorcycle place.Certainly, because spark plug cap is to plug with spark plug on perpendicular to the direction of cylinder, therefore spark plug cap just need occupy in the direction perpendicular to cylinder than large space, and under the structure of existing motorcycle, the space at cylinder place also just enough holds spark plug and the spark plug cap after pegging graft well.If spark plug cap length is longer, and still can only on perpendicular to the direction of cylinder wall, plug with spark plug, the not enough situation in space will occur.
If in the combining structure of spark plug and spark plug cap, add cold cathode gas discharge tube, then can improve ignition energy, improve ignition success rate, but existing cold cathode gas discharge tube needs higher discharge firing voltage.
Do not have in the market to occur and to be connected with spark plug cap on the direction of cylinder wall and to have the spark plug of low firing voltage and the combining structure of spark plug cap being parallel to.
The utility model content
First kind of goal of the invention of the present utility model is to provide a kind of combining structure that is provided with spark plug and the spark plug cap of three electrode gas discharge tubes.
For achieving the above object, the combining structure that is provided with spark plug and the spark plug cap of three electrode gas discharge tubes of the present utility model, comprise spark plug cap and spark plug, spark plug comprises the spark-plug body of steel tubular, the outer surface of spark-plug body is provided with external screw thread and seal washer, be provided with insulating ceramic in the spark-plug body, an end of spark-plug body is the inner Cylinder of motorcycle that also stretches in use, and the other end of spark-plug body is the outer end and stretches out Cylinder of motorcycle in use; Described insulating ceramic comprises and is arranged on the inner segment porcelain body in the spark-plug body and stretches at outer section external porcelain body of shell of spark plug, be interval with two discharge electrode bars that axially arrange in the described insulating ceramic, be respectively the first discharge electrode bar and the second discharge electrode bar, the discharge end of the first and second discharge electrode bars all stretches out described inner segment porcelain body; Corresponding first lateral electrode and second lateral electrode of being provided with the discharge end of the described first and second discharge electrode bars in the inner of described spark-plug body, the input of the described first and second discharge electrode bars are welded with first conducting rod and second conducting rod that radially arranges respectively; The input of first and second conducting rods all extends radially the sidewall of outer section porcelain body and is bolted with the first conduction nut respectively and the second conduction nut; First conducting rod and the first conduction nut are formed the first electric energy input structure, and second conducting rod and the second conduction nut are formed the second electric energy input structure; The outer section porcelain body sidewall at the first electric energy input structure place is provided with goes along with sb. to guard him first of the first electric energy input structure and goes along with sb. to guard him groove; The outer section porcelain body sidewall at the second electric energy input structure place is provided with goes along with sb. to guard him second of the second electric energy input structure and goes along with sb. to guard him groove; Be provided with the separation collets between the discharge end of the described first and second discharge electrode bars; Described separation collets are cuboid and are wholely set with described insulating ceramic; The described first discharge electrode bar is its discharge face towards the one side of first lateral electrode, and the described second discharge electrode bar is its discharge face towards the one side of second lateral electrode; The discharge face of the described first and second discharge electrode bars is respectively equipped with the first discharge projection and the second discharge projection; The cross section of the described first and second discharge electrode bars all is rectangle, and the discharge face of the two all is positioned at described rectangular long limit; Described spark plug cap comprises linear pattern insulation spark plug cap housing, one end of spark plug cap housing is provided with the high-voltage line link slot, the other end of spark plug cap housing is provided with two spark plug link slots side by side, is respectively the first spark plug link slot and the second spark plug link slot; The spark plug cap housing at high-voltage line link slot place is provided with the high-voltage line connector, and the spark plug cap housing at the first spark plug link slot place is provided with the first spark plug connector, and the spark plug cap housing at the second spark plug link slot place is provided with the second spark plug connector; Be interval with first cavity and second cavity in the spark plug cap housing, first cavity and second cavity are all along the axial setting of spark plug cap housing; Be provided with first cold cathode gas discharge tube in first cavity, the input of first cold cathode gas discharge tube connects described high-voltage line connector by first power spring, the first spark plug connector comprises first disc-shaped base and the first spark plug coupling part that is located on first disc-shaped base, first disc-shaped base is located in first cavity, stretch in the described first spark plug link slot the first spark plug coupling part, and the first spark plug coupling part is provided with first inserting groove; The output of first cold cathode gas discharge tube is crimped on described first disc-shaped base; Be provided with second cold cathode gas discharge tube in second cavity, the input of second cold cathode gas discharge tube connects described high-voltage line connector by second power spring, the second spark plug connector comprises second disc-shaped base and the second spark plug coupling part that is located on second disc-shaped base, second disc-shaped base is located in second cavity, stretch in the described second spark plug link slot the second spark plug coupling part, and the second spark plug coupling part is provided with second inserting groove; The output of second cold cathode gas discharge tube is crimped on described second disc-shaped base; The first conduction nut of described first inserting groove and described spark plug plugs, and the second conduction nut of described second inserting groove and described spark plug plugs; It is suitable and link together that the cell body outer wall of the described first spark plug link slot and described first is gone along with sb. to guard him the cell body inwall of groove, and it is suitable and link together that the cell body outer wall of the described second spark plug link slot and described second is gone along with sb. to guard him the cell body inwall of groove; Described first cold cathode gas discharge tube is identical with the structure of second cold cathode gas discharge tube, includes to hold the tele-release fulgurite, holds the gas medium that is full of in the tele-release fulgurite for store electrical energy, and this medium is neon or argon gas or xenon; Hold the discharge of electricity tubular axis and be respectively equipped with in first bronze medal cap sleeve in the cap sleeve and second bronze medal to two ends, be connected with the outer cap sleeve of copper in first, second copper between the cap sleeve; The inner surface of the outer cap sleeve of described appearance tele-release fulgurite and described copper fits; In the described appearance tele-release fulgurite successively parallel interval be provided with first copper plate electrode, second copper plate electrode and the 3rd copper plate electrode, each copper plate electrode is all along the axial setting of holding the tele-release fulgurite; Described first stretches out described appearance tele-release fulgurite all to the right with the right-hand member of the 3rd copper plate electrode and is connected with cap sleeve in described second bronze medal, and the left end of described second copper plate electrode stretches out described appearance tele-release fulgurite left and is connected with cap sleeve in described first bronze medal; Cap sleeve is as the input of cold cathode gas discharge tube in described second bronze medal, and cap sleeve is as the output of cold cathode gas discharge tube in described first bronze medal.
Described high-voltage line connector comprises the 3rd disc-shaped base and the tapering part that is located on the 3rd disc-shaped base, the 3rd disc-shaped base is located in the spark plug cap housing and connects described first power spring and second power spring, and tapering part stretches in the described high-voltage line link slot and is used for connecting high-pressure ignition wire; Described spark plug cap housing comprises first shell section and second shell section that is screwed onto together.
Described appearance tele-release fulgurite is discharge glass tube or discharge earthenware, and the cross section of described appearance tele-release fulgurite is rounded or semicircle; All be coated with barium layer or cerium layer on described first, second, and third copper plate electrode, described first copper plate electrode is provided with electrode protrusion towards the one side of second copper plate electrode, described the 3rd copper plate electrode is provided with electrode protrusion towards the one side of second copper plate electrode, and the two sides of described second copper plate electrode is equipped with electrode protrusion.
The utlity model has following advantage:
1, interior three electrodes of gas discharge tube are that three plating barium copper sheets are holding parallel correspondences in the tele-release fulgurite arranging in the utility model, when electrode voltage surpasses the electrode firing voltage, initiating electron and ion are respectively to three electrode movements and produce multiplier effect, the discharge that forms is aspectant solid type discharge, discharge rapidly, the energy abundance, compare the point-to-point line style discharge of cold cathode gas discharge tube in the past and improved ionic discharge energy (ability) greatly, improved the igniting degree of stability and made the mist burning more abundant.In addition, the copper sheet surface is coated with barium, cerium isoreactivity material, and is provided with electrode protrusion on the corresponding surface of copper sheet, can further reduce the firing voltage of discharge, has strengthened the discharge radioactivity.Especially, the three-dimensional discharge space that three copper plate electrodes are set is also bigger than the three-dimensional discharge space that two copper plate electrodes are set, and it is also stronger to hold the discharge of electricity ability.Be provided with three electrodes in the appearance tele-release fulgurite of the present utility model, be provided with two electrodes and can dwindle electrode spacing, when increasing three-dimensional discharge space, enhanced discharge energy, be more prone to disruptive discharge.
2. because the input of each conducting rod all extends radially the sidewall of outer section porcelain body, therefore the spark plug cap in the utility model can plug with spark plug being parallel on the direction of cylinder wall, avoid on perpendicular to the direction of cylinder wall plugging with spark plug and occurring the not enough situation in space, and then the length that allows spark plug cap compares longlyer in the past, makes spark plug cap can hold gas discharge tube.
3, because two central electrodes (being the discharge electrode bar) and two corresponding lateral electrodes are set, " the single-point igniting " of compare a central electrode and a lateral electrode increased ignition gap.Because each central electrode connects different cold cathode gas discharge tubes respectively, the bridge connected multicenter electrode of comparing and only connecting a high-tension circuit, the reliability of ignition energy and the stability of while multi-point spark have been guaranteed, realized that multi-electrode truly lights a fire simultaneously, effectively enlarged the discharge igniting sphere of action, make the cylinder mixture combustion more abundant, reach the good result of oil-saving discharging-reducing and lifting motorcycle power.
4, the utility model purposes is very extensive, as long as former spark plug and spark plug cap on the motorcycle are replaced by the utility model, just can be used for motorcycle and all kinds of general small-size gasoline engine, generator, light-duty water pump, hay mover, sprayer, cleaning machine, driving chain saw etc., easy for installation, use reliably, can bring good social benefit and economic benefit.
5. separate between the discharge end that collets make the first and second discharge electrode bars and realize electrical isolation.The discharge spacing between each discharge electrode bar and the corresponding lateral electrode has been dwindled in the setting of the first discharge projection and the second discharge projection, has reduced the required energy of discharge igniting, has improved each discharge igniting success rate.Insulation shell comprises first shell section and second shell section that is screwed onto together, is convenient to make and assembling.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of the first discharge electrode bar;
Fig. 3 is the sectional view of the second discharge electrode bar;
Fig. 4 is the structural representation of first, second, and third cold cathode gas discharge tube.
Embodiment
As shown in Figure 1 to Figure 3, disclosed in the utility modelly be provided with the spark plug of three electrode gas discharge tubes and the combining structure of spark plug cap comprises spark plug cap and spark plug.
As shown in Figure 1 to Figure 3, spark plug comprises the spark-plug body 1 of steel tubular, the outer surface of spark-plug body 1 is provided with external screw thread and seal washer 2, be provided with insulating ceramic 3 in the spark-plug body 1, one end of spark-plug body 1 is the inner Cylinder of motorcycle that also stretches in use, and the other end of spark-plug body 1 is the outer end and stretches out Cylinder of motorcycle in use.Described insulating ceramic 3 comprises the inner segment porcelain body 3A that is arranged in the spark-plug body 1 and the outer section porcelain body 3B that stretches outside spark-plug body 1, parallel interval is provided with two discharge electrode bars that axially arrange in the described insulating ceramic 3, be respectively the first discharge electrode bar 4 and the second discharge electrode bar, 5, the first and second discharge electrode bars 4,5 discharge end all stretches out described inner segment porcelain body.
As shown in Figure 1 to Figure 3, corresponding first lateral electrode 12 that is provided with the discharge end of the described first discharge electrode bar 4 in the inner of described spark-plug body 1, corresponding second lateral electrode 13 that is provided with the discharge end of the described second discharge electrode bar 5 in the inner of spark-plug body 1.The described first and second discharge electrode bars 4,5 input are welded with first conducting rod 6 and second conducting rod 7 that radially arranges respectively.
Described first and second conducting rods 6,7 input all extend radially the sidewall (preferred conducting rod is an angle of 90 degrees with the discharge electrode bar) of outer section porcelain body 3B and are bolted with the first conduction nut 8 and second respectively and conduct electricity nut 9.
First conducting rod 6 and the first conduction nut 8 are formed the first electric energy input structure, and second conducting rod 7 and the second conduction nut 9 are formed the second electric energy input structure.
The sidewall of the outer section porcelain body 3B at the first electric energy input structure place is provided with goes along with sb. to guard him first of the first electric energy input structure and goes along with sb. to guard him groove 10; The sidewall of the outer section porcelain body 3B at the second electric energy input structure place is provided with goes along with sb. to guard him second of the second electric energy input structure and goes along with sb. to guard him groove 11.
As shown in Figure 1 to Figure 3, be provided with between the described first and second discharge electrode bars 4,5 the discharge end and separate collets 16; Described separation collets 16 are cuboid and are wholely set with described insulating ceramic 3.
As shown in Figure 1 to Figure 3, the described first discharge electrode bar 4 is its discharge face 4A towards the one side of first lateral electrode 12, and the described second discharge electrode bar 5 is its discharge face 5A towards the one side of second lateral electrode 13; The described first and second discharge electrode bars 4,5 discharge face are respectively equipped with the first discharge projection, the 14 and second discharge projection 15.The described first and second discharge electrode bars 4,5 cross section all are rectangle, and the two discharge face 4A, 5A all are positioned at described rectangular long limit.
As shown in Figures 1 to 4, described spark plug cap comprises linear pattern insulation spark plug cap housing, and described spark plug cap housing comprises first shell section 17 and second shell section 18 that is screwed onto together.One end of spark plug cap housing is provided with high-voltage line link slot 19, and the other end of spark plug cap housing is interval with two spark plug link slots side by side, is respectively the first spark plug link slot 20 and the second spark plug link slot 27.
The spark plug cap housing at high-voltage line link slot 19 places is provided with high-voltage line connector 21, the spark plug cap housing that the spark plug cap housing at the first spark plug link slot, 20 places is provided with the first spark plug connector, 22, the second spark plug link slots, 27 places is provided with the second spark plug connector 28.
Be interval with first cavity 23 and second cavity, 24, the first cavitys 23 and second cavity 24 in the spark plug cap housing all along the axial setting of spark plug cap housing.
The input (being that its electric current is imported an end) that is provided with first cold cathode gas discharge tube, 25, the first cold cathode gas discharge tubes 25 in first cavity 23 connects described high-voltage line connector 21 by first power spring 26.
The first spark plug connector 22 comprises the first disc-shaped base 22A and the first spark plug coupling part 22B that is located on the first disc-shaped base 22A, the first disc-shaped base 22A is located in first cavity 23, the first spark plug coupling part 22B stretches in the described first spark plug link slot 20, and the first spark plug coupling part 22B is provided with first inserting groove 35.The output of first cold cathode gas discharge tube 25 is crimped on the described first disc-shaped base 22A;
Be provided with second cold cathode gas discharge tube 29 in second cavity 24, the current input terminal of second cold cathode gas discharge tube 29 connects the described second spark plug connector 28 by the output that second power spring 30 connects described high-voltage line connector 21, the second cold cathode gas discharge tubes 29.
The second spark plug connector 28 comprises the second disc-shaped base 28A and the second spark plug coupling part 28B that is located on the second disc-shaped base 28A, the second disc-shaped base 28A is located in second cavity 24, the second spark plug coupling part 28B stretches in the described second spark plug link slot 27, and the second spark plug coupling part 28B is provided with second inserting groove 36.The output of second cold cathode gas discharge tube 29 is crimped on the described second disc-shaped base 28A.
Described first inserting groove 35 plugs with the first conduction nut 8 of described spark plug, and described second inserting groove 36 plugs with the second conduction nut 9 of described spark plug.
It is suitable and link together that the cell body outer wall of the described first spark plug link slot 20 and described first is gone along with sb. to guard him the cell body inwall of groove 10, and it is suitable and link together that the cell body outer wall of the described second spark plug link slot 27 and described second is gone along with sb. to guard him the cell body inwall of groove 11.
As Fig. 4 and shown in Figure 1, described first cold cathode gas discharge tube 25 is identical with the structure of second cold cathode gas discharge tube 29, include and hold tele-release fulgurite 37, hold the gas medium that is full of in the tele-release fulgurite 37 for store electrical energy, this medium is neon or argon gas or xenon.
Hold tele-release fulgurite 37 axial two ends and be respectively equipped with cap sleeve 38 and the interior cap sleeve 39 of second bronze medal in first bronze medal, be connected with the outer cap sleeve 40 of copper in first, second copper between the cap sleeve 38,39; Described appearance tele-release fulgurite 37 fits with the inner surface of the outer cap sleeve 40 of described copper.
In the described appearance tele-release fulgurite 37 successively parallel interval be provided with first copper plate electrode 41, second copper plate electrode 42 and the 3rd copper plate electrode 43, each copper plate electrode is all along the axial setting of holding tele-release fulgurite 37.
Described first stretches out described appearance tele-release fulgurite 37 all to the right with the 3rd copper plate electrode 41,43 right-hand member and is connected with cap sleeve 39 in described second bronze medal, and the left end of described second copper plate electrode 42 stretches out described appearance tele-release fulgurite 37 left and is connected with cap sleeve 38 in described first bronze medal.
Described high-voltage line connector 21 comprises the 3rd disc-shaped base 21A and the tapering part 21B that is located on the 3rd disc-shaped base 21A, the 3rd disc-shaped base 21A is located in the spark plug cap housing and connects described first power spring 26 and second power spring 30, and tapering part 21B stretches in the described high-voltage line link slot 19 and is used for connecting the motorcycle high-pressure ignition wire.
Described appearance tele-release fulgurite 37 is discharge glass tube or discharge earthenware, and the cross section of described appearance tele-release fulgurite 37 is rounded or semicircle, is preferably circle; All be coated with barium layer or cerium layer on described first, second, and third copper plate electrode 41,42,43, described first copper plate electrode 41 is provided with electrode protrusion towards the one side of second copper plate electrode 42, described the 3rd copper plate electrode 43 also is provided with electrode protrusion on the one side of second copper plate electrode 42, the two sides of described second copper plate electrode 42 is equipped with electrode protrusion.At copper sheet conductive bumps being set is conventional technical ability, schemes not shown described electrode protrusion.
During use, the utility model is screwed onto by spark-plug body 1 on the cylinder head of motorcycle, and metal packing washer 2 is crimped on cylinder surface, guarantees that cylinder interior and outside seal are good; First, second discharge electrode bar 4,5 discharge end and first lateral electrode 12, second lateral electrode 13 are stretched in cylinder interior.
The first conduction nut 8 and the second conduction nut 9 are plugged on respectively in first inserting groove 35 and second inserting groove 36, and high-voltage line connector 21 connects the motorcycle high-pressure ignition wire by its tapering part 21B, makes the utility model can access electric energy.
After high-voltage line connector 21 was once divided electricity by high-pressure ignition wire, electric energy passed to first and second cold cathode gas discharge tubes 25,29 by first power spring 26 and second power spring 30 simultaneously.
Have two ignition circuits that are arranged in parallel in the utility model, first power spring 26 after the high-voltage line connector 21, first cold cathode gas discharge tube 25, the first spark plug connector 22, first conducting rod 6 and the first discharge electrode bar 4 form article one ignition circuit; Second power spring 30 after the high-voltage line connector 21, second cold cathode gas discharge tube 29, the second spark plug connector 28, second conducting rod 7 and the second discharge electrode bar 5 form the second ignition circuit.
After high-voltage line connector 21 was once divided electricity by high-pressure ignition wire, electric energy passed to first cold cathode gas discharge tube 25 and second cold cathode gas discharge tube 29 by first power spring 26 and second power spring 30 simultaneously.When first and second cold cathode gas discharge tubes 25,29 input obtain electric energy, when electrode voltage surpasses the electrode firing voltage, initiating electron and ion are respectively to three electrode movements and produce multiplier effect, the discharge that forms is aspectant solid type discharge, and comparing in the past, point-to-point line style discharge has improved ionic discharge energy (ability) greatly.Behind the electrode discharge of two appearance tele-release fulgurites 37, electric current is by cap sleeve 38 in first and second bronze medals, electric current in 39(second bronze medal on the cap sleeve 39 flow in first bronze medal on the cap sleeve 38 by the outer cap sleeve 40 of copper) be sent to the first and second spark plug connectors 22,28, the first and second spark plug connectors 22,28 pass to electric current the first and second conduction nuts 8 more successively, 9, first and second conducting rods 6,7, pass to the first and second discharge electrode bars 4 at last, 5, thereby for the first discharge projection, the 14 and second discharge projection 15 provides ignition energy, make the first discharge projection, 14 and first lateral electrode 12, realize the plane discharge igniting between the second discharge projection, 15 and second lateral electrode 13, and compare and realized really that in the past multi-electrode lights a fire simultaneously, effectively enlarged the discharge igniting sphere of action, make the cylinder mixture combustion more abundant, reach the good result of oil-saving discharging-reducing and lifting automobile power.Be provided with three copper plate electrodes in the appearance tele-release fulgurite 37 of the present utility model, be provided with two electrodes and can dwindle electrode spacing, when increasing three-dimensional discharge space, enhanced discharge energy, be more prone to disruptive discharge.
Claims (3)
1. be provided with the combining structure of spark plug and the spark plug cap of three electrode gas discharge tubes, comprise spark plug cap and spark plug,
Spark plug comprises the spark-plug body of steel tubular, the outer surface of spark-plug body is provided with external screw thread and seal washer, be provided with insulating ceramic in the spark-plug body, one end of spark-plug body is the inner Cylinder of motorcycle that also stretches in use, and the other end of spark-plug body is the outer end and stretches out Cylinder of motorcycle in use;
It is characterized in that: described insulating ceramic comprises and is arranged on the inner segment porcelain body in the spark-plug body and stretches at outer section external porcelain body of shell of spark plug, be interval with two discharge electrode bars that axially arrange in the described insulating ceramic, be respectively the first discharge electrode bar and the second discharge electrode bar, the discharge end of the first and second discharge electrode bars all stretches out described inner segment porcelain body;
Corresponding first lateral electrode and second lateral electrode of being provided with the discharge end of the described first and second discharge electrode bars in the inner of described spark-plug body, the input of the described first and second discharge electrode bars are welded with first conducting rod and second conducting rod that radially arranges respectively;
The input of first and second conducting rods all extends radially the sidewall of outer section porcelain body and is bolted with the first conduction nut respectively and the second conduction nut;
First conducting rod and the first conduction nut are formed the first electric energy input structure, and second conducting rod and the second conduction nut are formed the second electric energy input structure;
The outer section porcelain body sidewall at the first electric energy input structure place is provided with goes along with sb. to guard him first of the first electric energy input structure and goes along with sb. to guard him groove; The outer section porcelain body sidewall at the second electric energy input structure place is provided with goes along with sb. to guard him second of the second electric energy input structure and goes along with sb. to guard him groove;
Be provided with the separation collets between the discharge end of the described first and second discharge electrode bars; Described separation collets are cuboid and are wholely set with described insulating ceramic;
The described first discharge electrode bar is its discharge face towards the one side of first lateral electrode, and the described second discharge electrode bar is its discharge face towards the one side of second lateral electrode; The discharge face of the described first and second discharge electrode bars is respectively equipped with the first discharge projection and the second discharge projection;
The cross section of the described first and second discharge electrode bars all is rectangle, and the discharge face of the two all is positioned at described rectangular long limit;
Described spark plug cap comprises linear pattern insulation spark plug cap housing, one end of spark plug cap housing is provided with the high-voltage line link slot, the other end of spark plug cap housing is provided with two spark plug link slots side by side, is respectively the first spark plug link slot and the second spark plug link slot;
The spark plug cap housing at high-voltage line link slot place is provided with the high-voltage line connector, and the spark plug cap housing at the first spark plug link slot place is provided with the first spark plug connector, and the spark plug cap housing at the second spark plug link slot place is provided with the second spark plug connector;
Be interval with first cavity and second cavity in the spark plug cap housing, first cavity and second cavity are all along the axial setting of spark plug cap housing;
Be provided with first cold cathode gas discharge tube in first cavity, the input of first cold cathode gas discharge tube connects described high-voltage line connector by first power spring,
The first spark plug connector comprises first disc-shaped base and the first spark plug coupling part that is located on first disc-shaped base, first disc-shaped base is located in first cavity, stretch in the described first spark plug link slot the first spark plug coupling part, and the first spark plug coupling part is provided with first inserting groove; The output of first cold cathode gas discharge tube is crimped on described first disc-shaped base;
Be provided with second cold cathode gas discharge tube in second cavity, the input of second cold cathode gas discharge tube connects described high-voltage line connector by second power spring,
The second spark plug connector comprises second disc-shaped base and the second spark plug coupling part that is located on second disc-shaped base, second disc-shaped base is located in second cavity, stretch in the described second spark plug link slot the second spark plug coupling part, and the second spark plug coupling part is provided with second inserting groove; The output of second cold cathode gas discharge tube is crimped on described second disc-shaped base;
The first conduction nut of described first inserting groove and described spark plug plugs, and the second conduction nut of described second inserting groove and described spark plug plugs;
It is suitable and link together that the cell body outer wall of the described first spark plug link slot and described first is gone along with sb. to guard him the cell body inwall of groove, and it is suitable and link together that the cell body outer wall of the described second spark plug link slot and described second is gone along with sb. to guard him the cell body inwall of groove;
Described first cold cathode gas discharge tube is identical with the structure of second cold cathode gas discharge tube, includes to hold the tele-release fulgurite, holds the gas medium that is full of in the tele-release fulgurite for store electrical energy, and this medium is neon or argon gas or xenon;
Hold the discharge of electricity tubular axis and be respectively equipped with in first bronze medal cap sleeve in the cap sleeve and second bronze medal to two ends, be connected with the outer cap sleeve of copper in first, second copper between the cap sleeve; The inner surface of the outer cap sleeve of described appearance tele-release fulgurite and described copper fits;
In the described appearance tele-release fulgurite successively parallel interval be provided with first copper plate electrode, second copper plate electrode and the 3rd copper plate electrode, each copper plate electrode is all along the axial setting of holding the tele-release fulgurite;
Described first stretches out described appearance tele-release fulgurite all to the right with the right-hand member of the 3rd copper plate electrode and is connected with cap sleeve in described second bronze medal, and the left end of described second copper plate electrode stretches out described appearance tele-release fulgurite left and is connected with cap sleeve in described first bronze medal;
Cap sleeve is as the input of cold cathode gas discharge tube in described second bronze medal, and cap sleeve is as the output of cold cathode gas discharge tube in described first bronze medal.
2. the combining structure of spark plug according to claim 1 and spark plug cap, it is characterized in that: described high-voltage line connector comprises the 3rd disc-shaped base and the tapering part that is located on the 3rd disc-shaped base, the 3rd disc-shaped base is located in the spark plug cap housing and connects described first power spring and second power spring, and tapering part stretches in the described high-voltage line link slot and is used for connecting high-pressure ignition wire; Described spark plug cap housing comprises first shell section and second shell section that is screwed onto together.
3. the combining structure of spark plug according to claim 2 and spark plug cap is characterized in that: described appearance tele-release fulgurite is discharge glass tube or discharge earthenware, and the cross section of described appearance tele-release fulgurite is rounded or semicircle; All be coated with barium layer or cerium layer on described first, second, and third copper plate electrode, described first copper plate electrode is provided with electrode protrusion towards the one side of second copper plate electrode, described the 3rd copper plate electrode is provided with electrode protrusion towards the one side of second copper plate electrode, and the two sides of described second copper plate electrode is equipped with electrode protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140790 CN203193121U (en) | 2013-03-26 | 2013-03-26 | Spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140790 CN203193121U (en) | 2013-03-26 | 2013-03-26 | Spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes |
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| Publication Number | Publication Date |
|---|---|
| CN203193121U true CN203193121U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140790 Expired - Fee Related CN203193121U (en) | 2013-03-26 | 2013-03-26 | Spark plug and spark plug cap combined structure with tri-electrode gas discharge tubes |
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| Country | Link |
|---|---|
| CN (1) | CN203193121U (en) |
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2013
- 2013-03-26 CN CN 201320140790 patent/CN203193121U/en not_active Expired - Fee Related
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| 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: 20130911 Termination date: 20140326 |