CN105576505A - Anti-ignition-delay cathode ignition unit and spark plug comprising the same - Google Patents
Anti-ignition-delay cathode ignition unit and spark plug comprising the same Download PDFInfo
- Publication number
- CN105576505A CN105576505A CN201410538937.4A CN201410538937A CN105576505A CN 105576505 A CN105576505 A CN 105576505A CN 201410538937 A CN201410538937 A CN 201410538937A CN 105576505 A CN105576505 A CN 105576505A
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- CN
- China
- Prior art keywords
- negative pole
- spark
- housing
- sparking unit
- pole sparking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
Landscapes
- Spark Plugs (AREA)
Abstract
The invention discloses a cathode ignition unit which comprises a housing and an upper baffle plate. The upper baffle plate is fixedly arranged at the upper part of the housing. The housing or/and the upper baffle plate is provided with at least one air exhaust hole. The lower part of the housing is transversely provided with an annular member which is fixed to the lower part of the housing through a connecting part. The housing between the upper baffle plate and the annular member is a hollow anti-ignition-delay chamber. The invention further discloses a spark plug which can prevent ignition delay and can effectively enlarge the power by more than 5%.
Description
Technical field
The present invention relates to the field of spark plugs of automobile, particularly relate to a kind of spark plug prevented stagnant combustion negative pole sparking unit and comprise this negative pole sparking unit.
Background technology
Shown in Figure 1, China Patent No. be 201320592082.4 " a kind of spark plug " disclose a kind of spark plug 200, comprise spark-plug shell 201, insulator 202 and contre electrode 203;
Cavity 204 is established in described spark-plug shell 201, described insulator 202 is installed in bottom in cavity 204, described contre electrode 203 is covered by insulator 202, and it is exposed in the cavity 204 of spark-plug shell 201 that described contre electrode 203 upper top extension passes insulator 202; Described insulator 202 can adopt the material of high thermal conductivity, as sintered alumina ceramic material manufactures;
Be provided with negative pole sparking unit 205 above described contre electrode 203, described negative pole sparking unit is cylindric, and cavity 204 inwall of the lower edge of described negative pole sparking unit 205 is provided with retention device 206; The upper edge reducing of cavity 204 is bent to form limiting section 207, and described negative pole sparking unit 205 is fixed between limiting section 207 and retention device 206; Described negative pole sparking unit 205 is evenly provided with the steam vent 208 of 4 longitudinal direction through negative pole sparking unit 205; The area of described steam vent 208 accounts for 40% of negative pole sparking unit 205 area of section.Described contre electrode 203 is greater than the minimum distance of contre electrode 203 to negative pole sparking unit 205 to the minimum distance of cavity 204 wall;
Described negative pole sparking unit 205 adopts electric conducting material, such as copper, iron and steel or nickel etc., best selection is, the material that negative pole sparking unit 205 adopts and spark-plug shell 201 is same, can ensure that negative pole sparking unit 205 and spark-plug shell 201 have the same coefficient of expansion like this, ensure that being fixedly unlikely between negative pole sparking unit 205 and spark-plug shell 201 is moved.
There is following defect in above-mentioned spark plug: contre electrode and negative pole strike sparks unit after sparking, and spark plug has stagnant combustion phenomenon.After so-called stagnant combustion refers to igniting, there is the phenomenon of delay from the spark ignition fuel oil of spark plug ejection.
Summary of the invention
First technical problem that the present invention will solve is to provide a kind of negative pole sparking unit.The redesign of this negative pole sparking unit, the deficiency just for above-mentioned patent proposes; By the improvement to existing negative pole sparking unit, effectively can solve the stagnant combustion phenomenon of spark plug, and can effectively improve power more than 5%.
Second technical problem that the present invention will solve is to provide a kind of spark plug comprising above-mentioned negative pole sparking unit.No longer there is stagnant combustion phenomenon in this spark plug, can effectively improve power more than 5%.
For solving above-mentioned first technical problem, the present invention adopts following technical scheme:
A kind of negative pole sparking unit, comprise housing and overhead gage, described overhead gage is installed in housing upper, and described housing is or/and overhead gage is provided with at least one steam vent; The lower, transverse of described housing is provided with ring bodies, and this ring bodies is fixed on the bottom of housing by connecting portion; It is the anti-stagnant combustion chamber of hollow in housing between described overhead gage and ring bodies.
Preferably, described housing and overhead gage are formed in one structure.This contributes to the quantity reducing mould, reduces manufacturing cost, also contributes to ensureing casing rigidity.
Preferably, the top, lower end of described housing is provided with step trough, and described ring bodies is fixed in step trough by connecting portion.
Preferably, the steam vent on described housing is evenly arranged in housing upper annular, and the steam vent on housing is provided with 3-8.Effect and the function of aforementioned structure are: after plug ignition, and flame both from the steam vent ejection overhead gage, also can spray from housing upper side, formed approximate flame ball, thus easier igniter motor.
Preferably, the steam vent on described upper plate washer establishes 2-8.
For solving above-mentioned second technical problem, a kind of spark plug comprising above-mentioned negative pole sparking unit of the present invention, comprises spark-plug shell, insulator and contre electrode; Establish cavity in described spark-plug shell, described insulator is installed in bottom in cavity, and described contre electrode is wrapped by the insulator, and it is exposed in the cavity of spark-plug shell that described contre electrode upper top extension passes insulator; Arrange negative pole sparking unit above described contre electrode, this negative pole sparking unit is fixed on the cavity wall of spark-plug shell; Described contre electrode top, through in the middle part of ring bodies, is sparking distance between described contre electrode top to ring bodies inner edge.Also the distance namely between described contre electrode top to ring bodies inwall than contre electrode top to little to spark plug cavity wall, also than contre electrode top to negative pole strike sparks unit overhead gage between distance little.
Preferably, when the housing of negative pole sparking unit is provided with steam vent, the respective row pore position of spark-plug shell is provided with intercommunicating pore.This set just can make the steam vent on shell lead to outside spark plug.
Preferably, described negative pole sparking unit adopts the electric conducting material identical with spark-plug shell.
Preferably, cylindrically, the spark-plug shell inwall of the lower edge of described negative pole sparking unit is provided with retention device to described negative pole sparking unit; The upper edge reducing of spark-plug shell is bent to form limiting section, and described negative pole sparking unit is fixed between limiting section and retention device.
Preferably, the area of described steam vent accounts for the 35-55% of negative pole sparking unit area of section.
Beneficial effect of the present invention is as follows:
In sum, no longer there is stagnant combustion phenomenon in spark plug of the present invention, can effectively improve power more than 5%.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing spark plug;
Fig. 2 embodiment of the present invention 1 negative pole sparking unit section schematic diagram;
Fig. 3 is the overhead gage cross section structure schematic diagram of steam vent when being set to 4;
Fig. 4 is the overhead gage cross section structure schematic diagram of steam vent when being set to 3;
Fig. 5 is the overhead gage cross section structure schematic diagram of steam vent when being set to 7;
Fig. 6 embodiment of the present invention 2 negative pole sparking unit section schematic diagram;
Fig. 7 is the embodiment of the present invention 3 spark plug configuration schematic diagram;
Fig. 8 is the embodiment of the present invention 4 spark plug configuration schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment 1
Shown in Figure 2, a kind of negative pole sparking unit 10, comprise housing 11 and overhead gage 12, described overhead gage 12 is installed in housing 11 top, and described overhead gage 12 is provided with at least 4 steam vents 13; The lower, transverse of described housing 11 is provided with ring bodies 14, and this ring bodies 14 is fixed on the bottom of housing 11 by connecting portion 15; It is the anti-stagnant combustion chamber 16 of hollow in housing between described overhead gage 12 and ring bodies 14;
Further, described housing 11 and overhead gage 12 are formed in one structure; This contributes to the quantity reducing mould, reduces manufacturing cost, also contributes to ensureing casing rigidity.
Shown in Fig. 4 and Fig. 5, steam vent is respectively equipped with 3 and 7.
Embodiment 2
Shown in Figure 6, repeat embodiment 1, its difference is: the top, lower end of described housing 11 is provided with step trough 17, and described ring bodies 14 is fixed in step trough 17 by connecting portion 15.
Embodiment 3
Shown in Figure 7, a kind of spark plug comprising negative pole sparking unit described in embodiment 1, comprises spark-plug shell 201, insulator 202 and contre electrode 203; Cavity 204 is established in described spark-plug shell 201, described insulator 202 is installed in bottom in cavity 204, described contre electrode 203 is covered by insulator 202, and it is exposed in the cavity 204 of spark-plug shell 201 that described contre electrode 203 upper top extension passes insulator 202; Arrange negative pole sparking unit 10 above described contre electrode 203, this negative pole sparking unit 10 is fixed on cavity 204 wall of spark-plug shell 201; Described contre electrode 203 top, through in the middle part of ring bodies 14, is sparking distance between described contre electrode 203 top to ring bodies 14 inner edge.Also the distance namely between described contre electrode 203 top to ring bodies 203 inwall is less to arriving spark plug cavity wall than contre electrode 203 top, also than contre electrode 203 top to negative pole strike sparks unit overhead gage 12 between distance little.
Further, described negative pole sparking unit 10 adopts the electric conducting material identical with spark-plug shell 201, such as copper, iron and steel, aluminium or nickel etc.
Further, cylindrically, spark-plug shell 201 inwall of the lower edge of described negative pole sparking unit 10 is provided with retention device 206 to described negative pole sparking unit 10; The upper edge reducing of spark-plug shell 201 is bent to form limiting section 207, and described negative pole sparking unit 10 is fixed between limiting section 207 and retention device 206.
Further, the area of described steam vent 13 accounts for the 35-55% of negative pole sparking unit area of section.
Embodiment 4
Shown in Figure 8, repeat embodiment 3, its difference is: the housing upper of described negative pole sparking unit 10 is provided with 3-8 steam vent 13, and steam vent 13 is evenly arranged in housing upper annular; And the relative steam vent position of spark-plug shell 201 is provided with intercommunicating pore 208.
The word in description orientation adopted herein " on ", D score, "left", "right" etc. are all convenience in order to illustrate based on the orientation in accompanying drawing shown in drawing, in actual device, these orientation may be different due to the disposing way of device.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all execution modes.Every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (10)
1. a negative pole sparking unit, it is characterized in that: comprise housing and overhead gage, described overhead gage is installed in housing upper, and described housing is or/and overhead gage is provided with at least one steam vent; The lower, transverse of described housing is provided with ring bodies, and this ring bodies is fixed on the bottom of housing by connecting portion; It is the anti-stagnant combustion chamber of hollow in housing between described overhead gage and ring bodies.
2. a kind of negative pole sparking unit according to claim 1, is characterized in that: preferably, and described housing and overhead gage are formed in one structure.
3. a kind of negative pole sparking unit according to claim 1, it is characterized in that: preferably, the top, lower end of described housing is provided with step trough, and described ring bodies is fixed in step trough by connecting portion.
4. a kind of negative pole sparking unit according to claim 1, it is characterized in that: preferably, the steam vent on described housing is evenly arranged in housing upper annular, and the steam vent on housing is provided with 3-8.
5. a kind of negative pole sparking unit according to claim 1, it is characterized in that: preferably, the steam vent on described upper plate washer is provided with 2-8.
6. comprise a spark plug for arbitrary negative pole sparking unit in claim 1-5, comprise spark-plug shell, insulator and contre electrode; Establish cavity in described spark-plug shell, described insulator is installed in bottom in cavity, and described contre electrode is wrapped by the insulator, and it is exposed in the cavity of spark-plug shell that described contre electrode upper top extension passes insulator; It is characterized in that: arrange negative pole sparking unit above described contre electrode, this negative pole sparking unit is fixed on the cavity wall of spark-plug shell; Described contre electrode top, through in the middle part of ring bodies, is sparking distance between described contre electrode top to ring bodies inner edge.
7. spark plug according to claim 6, is characterized in that: when the housing of negative pole sparking unit is provided with steam vent, the respective row pore position of spark-plug shell is provided with intercommunicating pore.
8. spark plug according to claim 6, is characterized in that: preferably, and described negative pole sparking unit adopts the electric conducting material identical with spark-plug shell.
9. spark plug according to claim 6, is characterized in that: preferably, and cylindrically, the spark-plug shell inwall of the lower edge of described negative pole sparking unit is provided with retention device to described negative pole sparking unit; The upper edge reducing of spark-plug shell is bent to form limiting section, and described negative pole sparking unit is fixed between limiting section and retention device.
10. spark plug according to claim 6, is characterized in that: preferably, and the area of described steam vent accounts for the 35-55% of negative pole sparking unit area of section.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538937.4A CN105576505B (en) | 2014-10-13 | 2014-10-13 | A kind of anti-stagnant combustion negative pole sparking unit and the spark plug for including negative pole sparking unit |
| PCT/CN2015/091502 WO2016058494A1 (en) | 2014-10-13 | 2015-10-09 | Flame retarding proof negative electrode sparking unit and sparking plug comprising the negative electrode sparking unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538937.4A CN105576505B (en) | 2014-10-13 | 2014-10-13 | A kind of anti-stagnant combustion negative pole sparking unit and the spark plug for including negative pole sparking unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105576505A true CN105576505A (en) | 2016-05-11 |
| CN105576505B CN105576505B (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410538937.4A Active CN105576505B (en) | 2014-10-13 | 2014-10-13 | A kind of anti-stagnant combustion negative pole sparking unit and the spark plug for including negative pole sparking unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105576505B (en) |
| WO (1) | WO2016058494A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095433A1 (en) * | 2016-11-28 | 2018-05-31 | 霾消天蓝（北京）环保科技有限公司 | Spark plug |
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| CN2562460Y (en) * | 2002-07-11 | 2003-07-23 | 许四海 | Spark plunger |
| CN2599844Y (en) * | 2002-12-31 | 2004-01-14 | 金战神有限公司 | Sparking plug with improved structure |
| CN2678214Y (en) * | 2004-01-19 | 2005-02-09 | 金战神有限公司 | Sparking plug |
| WO2006011950A2 (en) * | 2004-06-24 | 2006-02-02 | Woodward Governor Company | Pre-chamber spark plug |
| CN102185255A (en) * | 2009-12-18 | 2011-09-14 | 博格华纳贝鲁系统有限公司 | Spark plug for a gas-operated internal combustion engine |
| CN204103250U (en) * | 2014-10-13 | 2015-01-14 | 刘振宇 | A kind of spark plug prevented stagnant combustion negative pole sparking unit and comprise this negative pole sparking unit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050127809A1 (en) * | 2003-08-20 | 2005-06-16 | Lindsay Maurice E. | Spark plug |
| CN102709816A (en) * | 2012-06-11 | 2012-10-03 | 李忠尧 | Closed type igniter |
| CN203218708U (en) * | 2013-04-08 | 2013-09-25 | 柳孟柱 | Spark plug |
| CN203481623U (en) * | 2013-09-24 | 2014-03-12 | 刘全 | Spark plug |
| CN204597221U (en) * | 2015-03-20 | 2015-08-26 | 张蝶儿 | A kind of spark plug |
| CN104767123B (en) * | 2015-03-20 | 2017-01-18 | 张蝶儿 | Spark plug |
| CN204597220U (en) * | 2015-03-20 | 2015-08-26 | 张蝶儿 | A kind of spark plug |
| CN105119144A (en) * | 2015-08-28 | 2015-12-02 | 柳孟柱 | Novel spark plug |
-
2014
- 2014-10-13 CN CN201410538937.4A patent/CN105576505B/en active Active
-
2015
- 2015-10-09 WO PCT/CN2015/091502 patent/WO2016058494A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562460Y (en) * | 2002-07-11 | 2003-07-23 | 许四海 | Spark plunger |
| CN2599844Y (en) * | 2002-12-31 | 2004-01-14 | 金战神有限公司 | Sparking plug with improved structure |
| CN2678214Y (en) * | 2004-01-19 | 2005-02-09 | 金战神有限公司 | Sparking plug |
| WO2006011950A2 (en) * | 2004-06-24 | 2006-02-02 | Woodward Governor Company | Pre-chamber spark plug |
| CN102185255A (en) * | 2009-12-18 | 2011-09-14 | 博格华纳贝鲁系统有限公司 | Spark plug for a gas-operated internal combustion engine |
| CN204103250U (en) * | 2014-10-13 | 2015-01-14 | 刘振宇 | A kind of spark plug prevented stagnant combustion negative pole sparking unit and comprise this negative pole sparking unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095433A1 (en) * | 2016-11-28 | 2018-05-31 | 霾消天蓝（北京）环保科技有限公司 | Spark plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105576505B (en) | 2017-11-28 |
| WO2016058494A1 (en) | 2016-04-21 |
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