CN203288936U - Multicenter electrode spark plug for high-voltage high igniting-energy axial-discharge internal combustion engine - Google Patents
Multicenter electrode spark plug for high-voltage high igniting-energy axial-discharge internal combustion engine Download PDFInfo
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- CN203288936U CN203288936U CN2013203097531U CN201320309753U CN203288936U CN 203288936 U CN203288936 U CN 203288936U CN 2013203097531 U CN2013203097531 U CN 2013203097531U CN 201320309753 U CN201320309753 U CN 201320309753U CN 203288936 U CN203288936 U CN 203288936U
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Abstract
The utility model discloses a multicenter electrode spark plug for a high-voltage high igniting-energy axial-discharge internal combustion engine. The multicenter electrode spark plug comprises a housing. A sealing washer is arranged on an outer surface of the housing, an insulation porcelain body is mounted in the housing, more than two discharge pole rods are disposed in the insulation porcelain body in a spaced manner and side electrodes corresponding to the discharge pole rods are arranged on an inner end of the housing. Each side electrode comprises an axial part and a radial part, wherein the axial part of each side electrode is connected with the inner end of the housing and the radial part of each side electrode is mounted in a manner of one-to-one correspondence with a discharge end of each discharge pole rod. An input terminal of each discharge pole rod is connected with a conductive rod. Disposing of the plurality of discharge pole rods provided by the utility model indeed realizes multi-electrode simultaneous igniting, effectively enlarges a discharge-igniting action range and can satisfy needs of the high-voltage high igniting-energy igniting system of the internal combustion engine on a relatively-long electrode gap, so that combustion of cylinder mixing gas is relatively sufficient and excellent effects of fuel economization, emission reduction and internal-combustion-engine power lifting are achieved.
Description
Technical field
The utility model relates to piston type gasoline or gas internal-combustion engine accessory field, relates in particular to the high ignition energy internal combustion engine multicenter electrode spark plug of a kind of high voltage.
Background technology
The spark plug that on piston type gasoline or gas internal-combustion engine market, production and selling uses at present, great majority are that a central electrode (central electrode can be described as again " discharge electrode bar ") configures one or more lateral electrodes, what form is single-point " igniting ", namely only have one " ignition point ", therefore the ignition energy that forms a little less than, make in cylinder mixture combustion insufficient.In addition, also has a class multi-gap spark plug, namely insert a bridged electrodes (transition electrode) between a central electrode and one or more lateral electrode,, although increased ignition point, increased ignition gap, because its arcing gap is cascaded structure, ignition energy is had relatively high expectations, and between bridged electrodes (transition electrode) and lateral electrode, arcing is unstable, thereby has affected the overall efficiency of spark plug sparking, and this type of spark plug uses also extremely rare on gasoline or gas internal-combustion engine.For fundamentally solving the reliability and stability of spark plug multi-point spark, must increase a central electrode, and two central electrodes connect respectively two high-pressure ignition wires, also there is no in the market the multicenter electrode spark plug that can address the above problem.For this reason, I have applied for " motorcycle multicenter electrode spark plug " (application number: 201320140972.1), this multicenter electrode spark plug is provided with two above central electrodes, and central electrode is corresponding with the lateral electrode of equal number, form plane multiple spot discharge igniting, can be widely used in piston type gasoline or gas internal-combustion engine, small utility gasoline engines such as motorcycle, generator.but find in practice, " motorcycle multicenter electrode spark plug " (application number: the place that 201320140972.1) also comes with some shortcomings, be exactly mainly to be radially discharge between central electrode and lateral electrode, the electrode gap that is used for discharge has limitation, not longer electrode gap wider space, under the trend of ignition system of internal combustion engine high ignition energy development to high voltage, be difficult to meet some gasoline or the specific (special) requirements (when improving discharge voltage and ignition energy also require longer electrode gap) of gas internal-combustion engine to puncture gap than long electrode.Also do not have in the market to occur meeting the multicenter electrode spark plug that the high ignition energy internal combustion engine of high voltage is used.
The utility model content
The purpose of this utility model is to provide the high ignition energy of a kind of high voltage internal combustion engine multicenter electrode spark plug that axially discharges.
For achieving the above object, the high ignition energy of the high voltage of the present utility model internal combustion engine multicenter electrode spark plug that axially discharges, comprise the steel barrel-type casing, and the outer surface of housing is provided with external screw thread and seal washer, is provided with insulating ceramic, shell in housing
One end of body is the inner cylinder of internal-combustion engine that also stretches in use, and the other end of housing is outer end and stretches out in use internal combustion engine gas
Cylinder; Be interval with the discharge electrode bar more than two in described insulating ceramic, the discharge end of each discharge electrode bar all stretches out described insulating ceramic, the inner of described housing lateral electrode of being provided with equal number corresponding with the discharge end of described each discharge electrode bar; The cross section of described each lateral electrode is all L-shaped, and includes axial component and radial component; The axial component of each lateral electrode is connected to the inner of housing, the radial component of each lateral electrode all to the center position of housing extend and with the discharge end corresponding setting one by one of each discharge electrode bar; Be provided with sidepiece between the discharge end of the discharge electrode bar that the axial component of each lateral electrode is corresponding with it and separate collets; The input of described each discharge electrode bar is connected with respectively conducting rod; The outer end of described each conducting rod is all stretched out the outer end of insulating ceramic and is bolted with respectively the conduction nut; Each conducting rod and the conduction nut that is spirally connected thereof form an electric energy input structure, are equipped with the groove of going along with sb. to guard him of going along with sb. to guard him this electric energy input structure on the insulating ceramic at each electric energy input structure place, and the insulation shell of going along with sb. to guard him groove and sparking plug for internal combustion engine cap is suitable.
Described discharge electrode bar parallel interval is provided with two, is respectively the first discharge electrode bar and the second discharge electrode bar, the inner of described housing be provided with first lateral electrode and second lateral electrode corresponding with the discharge end of described the first and second discharge electrode bars; The input of described the first and second discharge electrode bars is welded with respectively the first conducting rod and the second conducting rod, and the input of the first and second conducting rods all stretches out the outer end of insulating ceramic and is bolted with respectively the first conduction nut and the second conduction nut; The first conducting rod and the first conduction nut form the first electric energy input structure, and the groove of going along with sb. to guard him that the first electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic is first to go along with sb. to guard him groove; The second conducting rod and the second conduction nut form the second electric energy input structure, and the groove of going along with sb. to guard him that the second electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic is second to go along with sb. to guard him groove;
It is that the first sidepiece is separated collets that the sidepiece that arranges between the discharge end of the axial component of described the first lateral electrode and the first discharge electrode bar is separated collets, and it is that the second sidepiece is separated collets that the sidepiece that arranges between the discharge end of the axial component of described the second lateral electrode and the second discharge electrode bar is separated collets.
Be provided with middle part between the discharge end of described the first and second discharge electrode bars and separate collets.
Described first, second sidepiece separates collets and described middle part separation collets all are cuboid and with described insulating ceramic, are wholely set.
The utlity model has following advantage:
1, because the utility model arranges 2 or more central electrode and corresponding lateral electrode, " the single-point igniting " of a central electrode (i.e. " discharge electrode bar ") and a lateral electrode in the past of therefore comparing, the utility model has increased ignition gap.The high-voltage line that connects respectively different circuit due to each central electrode, the bridge connected multicenter electrode of comparing and only connecting a high-tension circuit in the past, 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 in oil-saving discharging-reducing and lifting
The good result of combustion mechanomotive force.
2, the distance between two conducting rods of the utility model has larger adjustable space, can be according to the spacing between gasoline or two conducting rods of gas internal-combustion engine situation adjusting, thereby be not subjected to the restriction of the external structure such as the cylinder block such as motorcycle, small utility gasoline engine, can meet the supporting grafting of different gasoline or gas internal-combustion engine spark plug cap, use very convenient.
3, two central electrodes of the present utility model (i.e. " discharge electrode bar ") discharge end axially is oppositely arranged along spark plug with the radial component of corresponding each lateral electrode, electrode gap is according to the different requirements of gasoline or the high ignition energy of gas internal-combustion engine high voltage, can extend arbitrarily or shorten, and middle part is separated between the discharge end that collets make the first and second discharge electrode bars and is realized electrical isolation, simultaneously the first and second sidepieces are separated collets and are made the first and second discharge electrode bars realize electrical isolation with the axial component of parallel corresponding the first and second lateral electrodes respectively, can only be along the axial direction disruptive discharge igniting of spark plug between central electrode and lateral electrode thereby guaranteed.
In a word, the utility model is easy to be connected with the high-voltage line of gasoline engine or gas internal-combustion engine, and it is stable to be connected firmly, arranging of a plurality of discharge electrode bars really realized that multi-electrode lights a fire simultaneously, effectively enlarged the discharge igniting sphere of action, particularly can meet the high ignition energy ignition system of internal combustion engine high voltage to the needs than the long electrode gap, make the cylinder mixture combustion more abundant, can reach oil-saving discharging-reducing and promote combustion engine powered good result.The utility model can be widely used in motorcycle, and the small utility gasoline engine field such as gasoline engine generator, hay mover.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the high ignition energy of the high voltage of the present utility model internal combustion engine that axially discharges comprises steel barrel-type casing 1 with the multicenter electrode spark plug, the outer surface of housing 1 is provided with external screw thread and (metal) seal washer 2, be provided with insulating ceramic 3 in housing 1, one end of housing 1 is the inner cylinder of internal-combustion engine that also stretches in use, and the other end of housing 1 is outer end and stretches out in use gasoline or gas internal-combustion engine cylinder.
The interior parallel interval of described insulating ceramic 3 is provided with the discharge electrode bar more than two, and two discharge electrode bars preferably are set, and is respectively the first discharge electrode bar 4 and the second discharge electrode bar 5.The discharge end of each discharge electrode bar (namely inner) all stretches out described insulating ceramic 3.
The inner of described housing 1 lateral electrode of being provided with equal number corresponding with the discharge end of described each discharge electrode bar, under preferable case with described the first and second discharge electrode bars 4,5 corresponding the first lateral electrode 12 and the second lateral electrode 13 of being provided with of discharge end.The cross section of described each lateral electrode is all L-shaped, and includes axial component 8 and radial component 9; Certainly, because setting angle is opposite, the first identical shaped lateral electrode 12 and the second lateral electrode 13 present in Fig. 1 is shaped as symmetric shape.Each side
The axial component 8 of electrode is connected to the inner of housing 1, and the radial component 9 of each lateral electrode is all to the center position of housing 1
Extend and with the discharge end corresponding setting one by one of each discharge electrode bar; Be provided with sidepiece between the discharge end of the discharge electrode bar that the axial component 8 of each lateral electrode is corresponding with it and separate collets.
The input of described each discharge electrode bar (being outer end) is welded with respectively cylindric conducting rod; Under preferable case, described the first and second discharge electrode bars 4,5 input (being outer end) are welded with respectively columned the first conducting rod 6 and the second conducting rod 7, and described the first and second conducting rods 6,7 input all stretch out the outer end of insulating ceramic 3 and be bolted with respectively the first conduction nut 17 and the second conduction nut 18.
Each conducting rod and the conduction nut that is spirally connected thereof form an electric energy input structure, are equipped with the groove of going along with sb. to guard him of going along with sb. to guard him this electric energy input structure on the insulating ceramic 3 at each electric energy input structure place, and the insulation shell 1 of going along with sb. to guard him groove and sparking plug for internal combustion engine cap is suitable.Described cell body of going along with sb. to guard him groove preferably is wholely set with insulating ceramic 3, links together after can certainly split arranging.
Particularly, the first conducting rod 6 and the first conduction nut 17 form the first electric energy input structures, and the groove of going along with sb. to guard him that the first electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic 3 is first to go along with sb. to guard him groove 10; The second conducting rod 7 and the second conduction nut 18 form the second electric energy input structures, and the groove of going along with sb. to guard him that the second electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic 3 is second to go along with sb. to guard him groove 11; First, second is gone along with sb. to guard him groove 10,11 and plugs with the insulation shell of sparking plug for internal combustion engine cap respectively.
It is that the first sidepiece is separated collets 14 that the sidepiece that arranges between the axial component 8 of described the first lateral electrode 12 and the discharge end of the first discharge electrode bar 4 is separated collets, and it is that the second sidepiece is separated collets 15 that the sidepiece that arranges between the axial component 8 of described the second lateral electrode 13 and the discharge end of the second discharge electrode bar 5 is separated collets.First, second lateral electrode 12,13 radial component 9 respectively with first, second discharge electrode bar 4,5 the corresponding setting of discharge end.Described first, second sidepiece is separated collets 14,15 and is preferably fit together with first, second lateral electrode 12,13 axial component respectively, and first, second sidepiece is separated collets 14,15 and blocked the area of an area of first, second lateral electrode 12,13 axial components greater than the lateral electrode axial component that is blocked.
Be provided with middle part between described the first and second discharge electrode bars 4,5 discharge end and separate collets 16.Described first, second sidepiece separate collets 14,15 and described middle part separate that collets 16 all are cuboid and preferred and described insulating ceramic 3 is wholely set.Certainly respectively separating collets also can and link together with insulating ceramic 3 split settings.
During use, the utility model is screwed onto by housing 1 on the cylinder of internal combustion engine, 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 the first lateral electrode 12, the second lateral electrode 13 are stretched in cylinder interior; The spark plug cap of two high-voltage lines of ignition coil for internal combustion engine is plugged with the first conduction nut 17 and the second conduction nut 18 respectively, so that high voltage electric energy is introduced the utility model; The insulation shell of two spark plug caps was gone along with sb. to guard him groove 10 and second and was gone along with sb. to guard him groove 11 suitable (being locked) with first respectively this moment.
The utility model obtain electric after, between the radial component 9 of the end of the first discharge electrode bar 4 and the first lateral electrode 12 along the aspectant discharge igniting of axial formation of spark plug, between the radial component 9 of the end of the second discharge electrode bar 5 and the second lateral electrode 13 along the aspectant discharge igniting of axial formation of spark plug, thereby put reliably mist in gas cylinder.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although with reference to above-described embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. the high ignition energy of the high voltage internal combustion engine multicenter electrode spark plug that axially discharges, comprise the steel barrel-type casing, the outer surface of housing is provided with external screw thread and seal washer, be provided with insulating ceramic in housing, one end of housing is the inner cylinder of internal-combustion engine that also stretches in use, and the other end of housing is outer end and stretches out in use cylinder of internal-combustion engine;
It is characterized in that: be interval with the discharge electrode bar more than two in described insulating ceramic, the discharge end of each discharge electrode bar all stretches out described insulating ceramic, the inner of described housing lateral electrode of being provided with equal number corresponding with the discharge end of described each discharge electrode bar;
The cross section of described each lateral electrode is all L-shaped, and includes axial component and radial component; The axial component of each lateral electrode is connected to the inner of housing, the radial component of each lateral electrode all to the center position of housing extend and with the discharge end corresponding setting one by one of each discharge electrode bar;
Be provided with sidepiece between the discharge end of the discharge electrode bar that the axial component of each lateral electrode is corresponding with it and separate collets;
The input of described each discharge electrode bar is connected with respectively conducting rod; The outer end of described each conducting rod is all stretched out the outer end of insulating ceramic and is bolted with respectively the conduction nut; Each conducting rod and the conduction nut that is spirally connected thereof form an electric energy input structure, are equipped with the groove of going along with sb. to guard him of going along with sb. to guard him this electric energy input structure on the insulating ceramic at each electric energy input structure place, and the insulation shell of going along with sb. to guard him groove and sparking plug for internal combustion engine cap is suitable.
2. the high ignition energy of the high voltage according to claim 1 internal combustion engine multicenter electrode spark plug that axially discharges is characterized in that:
Described discharge electrode bar parallel interval is provided with two, is respectively the first discharge electrode bar and the second discharge electrode bar, the inner of described housing be provided with first lateral electrode and second lateral electrode corresponding with the discharge end of described the first and second discharge electrode bars; The input of described the first and second discharge electrode bars is welded with respectively the first conducting rod and the second conducting rod, and the input of the first and second conducting rods all stretches out the outer end of insulating ceramic and is bolted with respectively the first conduction nut and the second conduction nut;
The first conducting rod and the first conduction nut form the first electric energy input structure, and the groove of going along with sb. to guard him that the first electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic is first to go along with sb. to guard him groove; The second conducting rod and the second conduction nut form the second electric energy input structure, and the groove of going along with sb. to guard him that the second electric energy input structure is gone along with sb. to guard him in the outer end of insulating ceramic is second to go along with sb. to guard him groove;
It is that the first sidepiece is separated collets that the sidepiece that arranges between the discharge end of the axial component of described the first lateral electrode and the first discharge electrode bar is separated collets, and it is that the second sidepiece is separated collets that the sidepiece that arranges between the discharge end of the axial component of described the second lateral electrode and the second discharge electrode bar is separated collets.
3. the high ignition energy of the high voltage according to claim 2 internal combustion engine multicenter electrode spark plug that axially discharges, is characterized in that: be provided with middle part between the discharge end of described the first and second discharge electrode bars and separate collets.
4. the high ignition energy of the high voltage according to claim 3 internal combustion engine multicenter electrode spark plug that axially discharges is characterized in that: described first, second sidepiece is separated collets and described middle part and is separated collets and all be cuboid and with described insulating ceramic, be wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203097531U CN203288936U (en) | 2013-05-31 | 2013-05-31 | Multicenter electrode spark plug for high-voltage high igniting-energy axial-discharge internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203097531U CN203288936U (en) | 2013-05-31 | 2013-05-31 | Multicenter electrode spark plug for high-voltage high igniting-energy axial-discharge internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288936U true CN203288936U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203097531U Expired - Fee Related CN203288936U (en) | 2013-05-31 | 2013-05-31 | Multicenter electrode spark plug for high-voltage high igniting-energy axial-discharge internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203288936U (en) |
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2013
- 2013-05-31 CN CN2013203097531U patent/CN203288936U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140531 |