CN207490303U - A kind of spark plug - Google Patents
A kind of spark plug Download PDFInfo
- Publication number
- CN207490303U CN207490303U CN201721307831.9U CN201721307831U CN207490303U CN 207490303 U CN207490303 U CN 207490303U CN 201721307831 U CN201721307831 U CN 201721307831U CN 207490303 U CN207490303 U CN 207490303U
- Authority
- CN
- China
- Prior art keywords
- spark
- insulated
- assembly
- face
- spark plug
- 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.)
- Expired - Fee Related
Links
- 239000011148 porous material Substances 0.000 claims abstract description 29
- 238000010304 firing Methods 0.000 claims abstract description 25
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
Classifications
-
- 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 utility model discloses a kind of spark plug, including：Spark-plug shell is fixedly connected with assembly of insulated, and contre electrode is coated in assembly of insulated；Hollow cavity is offered in spark-plug shell, the insulator tip of assembly of insulated is set in hollow cavity, and insulator tip is equipped with firing end portion, and contre electrode is connected with firing end portion；Spark-plug shell offers the medium pore with unidirectional valve action in the middle part of the end face relative to the opposite side of assembly of insulated；Spark-plug shell offers the gas vent being connected with hollow cavity relative to the outer of the end face of the opposite side of assembly of insulated.The utility model forms pass electrode by medium pore, while has both the effect of check valve, can allow for air by and meanwhile flame is avoided to pass through.The utility model makes firing end portion close to medium pore by using longer insulator tip so that the distance of firing end portion to gas vent can shorten as far as possible.
Description
Technical field
Technical field more particularly to a kind of spark plug the utility model is related to I. C. engine.
Background technology
It is well known that light the air and fuel in the combustion chamber of spark ignition engine using spark plug
Mixture.The performance of spark plug can directly affect the performance of engine；If spark plug is improperly lighted positioned at combustion chamber
In air and fuel mixture, then there will be at least part unburned fuel, loss so as to cause power, the combustion reduced
Expect the discharge of efficiency and increased hydrocarbon.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of spark plugs.
To achieve these goals, the technical solution that the utility model is taken is：
A kind of spark plug, including spark-plug shell, assembly of insulated and contre electrode, wherein：The spark-plug shell and institute
It states assembly of insulated to be fixedly connected, the contre electrode is coated in the assembly of insulated；It is offered in the spark-plug shell
Hollow cavity, the insulator tip of the assembly of insulated are set in the hollow cavity, and the insulator tip is equipped with firing tip
Portion, the contre electrode are connected with the firing end portion；The spark-plug shell relative to the assembly of insulated opposite side
End face in the middle part of offer the medium pore with unidirectional valve action；The spark-plug shell is another relative to the assembly of insulated
The outer of the end face of side offers the gas vent being connected with the hollow cavity.
Above-mentioned spark plug, wherein, the outer of the end face offers several gas vents, several gas vent edges
The outer of the end face is uniformly distributed.
Above-mentioned spark plug, wherein, several medium pores are offered in the middle part of the end face, several medium pores
Position is corresponding with the position of the firing end portion.
Above-mentioned spark plug, wherein, the outer of the spark-plug shell along the end face is formed with a cricoid sloping platform face.
Above-mentioned spark plug, wherein, several gas vents are opened on the sloping platform face.
Above-mentioned spark plug, wherein, the diameter of each medium pore is 0.8~1.0mm.
Above-mentioned spark plug, wherein, the distance of the firing end portion to the end face is 0.8~1.5mm.
Above-mentioned spark plug, wherein, the spark-plug shell is equipped with threaded portion, and the spark-plug shell is close to described exhausted
The side of edge assembly is equipped with hex nut portion.
Above-mentioned spark plug, wherein, the assembly of insulated has one for storing the tail portion of ignition lead, the ignition lead with
The contre electrode is connected.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model：
(1) the utility model forms pass electrode by medium pore, while has both the effect of check valve, can allow for air
By flame being avoided to pass through simultaneously.
(2) the utility model makes firing end portion make close to medium pore by using longer insulator tip
The distance for obtaining firing end portion to gas vent can shorten as far as possible.
Description of the drawings
Fig. 1 is the phantom of the spark plug of the utility model.
Fig. 2 is the phantom of the first embodiment of the spark plug of the utility model.
Fig. 3 is the vertical view of the first embodiment of the spark plug of the utility model.
Fig. 4 is the top partial view diagram of the second embodiment of the spark plug of the utility model.
Fig. 5 is the vertical view of the second embodiment of the spark plug of the utility model.
Fig. 6 is the vertical view of the 3rd embodiment of the spark plug of the utility model.
In attached drawing：1st, spark-plug shell；11st, hollow cavity；12nd, medium pore；13rd, gas vent；14th, threaded portion；15th, hexagonal spiral shell
Female portion；16th, sloping platform face；2nd, assembly of insulated；21st, insulator tip；22nd, firing end portion；23rd, tail portion.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
First embodiment：
Fig. 1 is the phantom of the spark plug of the utility model, and Fig. 2 is the first implementation of the spark plug of the utility model
The phantom of example, Fig. 3 is the vertical view of the first embodiment of the spark plug of the utility model.Refer to Fig. 1 to Fig. 3 institutes
Show, show a kind of spark plug of preferred embodiment, including：Spark-plug shell 1, assembly of insulated 2 and contre electrode (do not show in figure
Go out), wherein, spark-plug shell 1 is fixedly connected with assembly of insulated 2, and contre electrode is coated in assembly of insulated 2.Outside spark plug
Hollow cavity 11 is offered in shell 1, the insulator tip 21 of assembly of insulated 2 is set in hollow cavity 11, is set in insulator tip 21
There is firing end portion 22, contre electrode is connected with firing end portion 22.
In addition, as a kind of preferred embodiment, spark-plug shell 1 is relative to the end face of the opposite side of assembly of insulated 2
Middle part, which offers one, has the medium pore 12 of unidirectional valve action.The diameter of medium pore 12 is as small as possible to be enable it to meet gas to lead to
It crosses and the intransitable unidirectional valve action of flame.The diameter of medium pore 12 is preferably 0.8~1.0mm.
In addition, as a kind of preferred embodiment, spark-plug shell 1 is relative to the end face of the opposite side of assembly of insulated 2
Outer offers the gas vent 13 being connected with hollow cavity 11.The diameter of gas vent 13, which makes it meet gas and flame, can lead to
It crosses.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode：
In the further embodiment of the utility model, spark-plug shell 1 is relative to the end face of the opposite side of assembly of insulated 2
Outer offers several gas vents 13, and several gas vents 13 are uniformly distributed along the outer of end face, the quantity and diameter of gas vent 13
It can set as the case may be.Preferably, a diameter of 2.5mm of gas vent 13.
In the further embodiment of the utility model, spark-plug shell 1 is equipped with threaded portion 14, and spark-plug shell is near by 1
The side of assembly of insulated 2 is equipped with hex nut portion 15.Hex nut portion 15 is matched with spanner so that spark-plug shell 1 is able to
It is tightened on cylinder cover by threaded portion 14.
In the further embodiment of the utility model, assembly of insulated 2 has one for storing ignition lead (not shown)
Tail portion 23, ignition lead is connected with contre electrode.
In the further embodiment of the utility model, the diameter of each medium pore 12 is 0.8~1.0mm.
In the further embodiment of the utility model, the inner wall distance of firing end portion 22 to end face is 0.8~1.5mm.Point
The distance of the inner wall of fire end portion 22 to end face should be as short as possible, and distance of the upper end of firing end portion 22 apart from gas vent 13 is made to the greatest extent may be used
Can be short, so that flame has stroke as short as possible, to improve sparking efficiency.
In the further embodiment of the utility model, the lower diameter of firing end portion 22 is 2.5mm, firing end portion 22 it is upper
The a diameter of 1.5mm in portion.
Second embodiment：
Fig. 4 is the top partial view diagram of the second embodiment of the spark plug of the utility model, and Fig. 5 is the spark of the utility model
The vertical view of the second embodiment of plug is referred to shown in Fig. 4, Fig. 5, shows a kind of spark plug of preferred embodiment, including：Fire
Shell 1, assembly of insulated 2 and contre electrode (not shown) beyond the Great Wall are spent, wherein, spark-plug shell 1 is fixed with assembly of insulated 2 to be connected
It connects, contre electrode is coated in assembly of insulated 2.Hollow cavity 11, the insulator of assembly of insulated 2 are offered in spark-plug shell 1
Tip 21 is set in hollow cavity 11, and insulator tip 21 is equipped with firing end portion 22, and contre electrode is connected with firing end portion 22
It connects.
In addition, as a kind of preferred embodiment, spark-plug shell 1 is relative to the end face of the opposite side of assembly of insulated 2
Middle part, which offers one, has the medium pore 12 of unidirectional valve action.The diameter of medium pore 12 is as small as possible to be enable it to meet gas to lead to
It crosses and the intransitable unidirectional valve action of flame.The diameter of medium pore 12 is preferably 0.8~1.0mm.
In addition, as a kind of preferred embodiment, the outer of spark-plug shell 1 along end face is formed with a cricoid sloping platform face
16, several gas vents 13 are opened on sloping platform face 16, and several gas vents 13 are uniformly distributed for 16 1 weeks along sloping platform face.Gas vent 13
Diameter, which makes it meet gas and flame, can pass through.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode：
In the further embodiment of the utility model, the axis of each gas vent 13 is vertical with sloping platform face 16, makes each
Gas vent 13 forms angularly disposed structure both with respect to spark plug, is arrived so as to which self-ignition end 22 be made to set out through gas vent 13
Distance up to the outside of spark-plug shell 1 is as short as possible, to improve the sparking efficiency of spark plug.
3rd embodiment：
Fig. 6 is the vertical view of the 3rd embodiment of the spark plug of the utility model, shown in Figure 6, shows one kind
The spark plug of preferred embodiment, wherein, the setting of spark-plug shell 1, assembly of insulated 2 and contre electrode with first embodiment phase
Together, difference lies in：Spark-plug shell 1 offers several medium pores in the middle part of the end face relative to the opposite side of assembly of insulated 2
12, the position of several medium pores 12 is corresponding with the position of firing end portion, and the quantity of medium pore 12 can be set as the case may be
It puts.
In addition, as a kind of preferred embodiment, several medium pores 12 are in a ring, the arrays such as circle are set in end face
Portion.The diameter of medium pore 12 is as small as possible to be enable it to meet gas to pass through and the intransitable unidirectional valve action of flame.
Fourth embodiment：
Wherein, the setting of spark-plug shell 1, assembly of insulated 2 and contre electrode is identical with second embodiment, and difference exists
In：Spark-plug shell 1 offers several medium pores 12, several centers in the middle part of the end face relative to the opposite side of assembly of insulated 2
The position in hole 12 is corresponding with the position of firing end portion, and the quantity of medium pore 12 can be set as the case may be.
In addition, as a kind of preferred embodiment, several medium pores 12 are in a ring, the arrays such as circle are set in end face
Portion.The diameter of medium pore 12 is as small as possible to be enable it to meet gas to pass through and the intransitable unidirectional valve action of flame.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain to those skilled in the art, should can appreciate that all in the utility model specification and diagram
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
1. a kind of spark plug, including spark-plug shell, assembly of insulated and contre electrode, it is characterised in that：
The spark-plug shell is fixedly connected with the assembly of insulated, and the contre electrode is coated in the assembly of insulated；
Hollow cavity is offered in the spark-plug shell, the insulator tip of the assembly of insulated is set in the hollow cavity,
The insulator tip is equipped with firing end portion, and the contre electrode is connected with the firing end portion；
The spark-plug shell is offered in the middle part of the end face relative to the opposite side of the assembly of insulated with unidirectional valve action
Medium pore；
The spark-plug shell offers and the hollow cavity phase relative to the outer of the end face of the opposite side of the assembly of insulated
The gas vent of connection.
2. spark plug according to claim 1, which is characterized in that the outer of the end face offers several exhausts
Hole, several gas vents are uniformly distributed along the outer of the end face.
3. spark plug according to claim 1, which is characterized in that several centers are offered in the middle part of the end face
Hole, the position of several medium pores are corresponding with the position of the firing end portion.
4. spark plug according to claim 1, which is characterized in that the spark-plug shell is formed along the outer of the end face
There is a cricoid sloping platform face.
5. spark plug according to claim 4, which is characterized in that several gas vents are opened on the sloping platform face.
6. spark plug according to claim 1, which is characterized in that the diameter of each medium pore is 0.8~
1.0mm。
7. spark plug according to claim 1, which is characterized in that the distance of the firing end portion to the end face is 0.8
~1.5mm.
8. spark plug according to claim 1, which is characterized in that the spark-plug shell is equipped with threaded portion, the fire
Shell is equipped with hex nut portion to flower close to the side of the assembly of insulated beyond the Great Wall.
9. spark plug according to claim 1, which is characterized in that the assembly of insulated has one for storing ignition lead
Tail portion, the ignition lead are connected with the contre electrode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762542549P | 2017-08-08 | 2017-08-08 | |
| US62/542,549 | 2017-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490303U true CN207490303U (en) | 2018-06-12 |
Family
ID=62080199
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710943490.2A Expired - Fee Related CN108023276B (en) | 2017-08-08 | 2017-10-11 | Spark plug |
| CN201721307831.9U Expired - Fee Related CN207490303U (en) | 2017-08-08 | 2017-10-11 | A kind of spark plug |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710943490.2A Expired - Fee Related CN108023276B (en) | 2017-08-08 | 2017-10-11 | Spark plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108023276B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023276A (en) * | 2017-08-08 | 2018-05-11 | 应用太空科技有限公司 | A kind of spark plug |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0717790B1 (en) * | 1993-09-06 | 2002-11-13 | Hydrogen Technology Limited | Improvements in electrolysis systems |
| US8878425B2 (en) * | 2010-07-22 | 2014-11-04 | Oleksandr Burmenko | Spark plug |
| CN103422970B (en) * | 2013-07-17 | 2015-09-30 | 广州柴油机厂股份有限公司 | A kind of ignition mechanism adopting the gas engine of precombustion chamber |
| CN104426057B (en) * | 2013-08-21 | 2017-05-10 | 张蝶儿 | Spark plug, and ignition system of internal combustion engine using same |
| CN104421091B (en) * | 2013-08-21 | 2017-03-01 | 张蝶儿 | A kind of ignition system of internal combustion engine and spark plug are in the installation method of combustor |
| CN108023276B (en) * | 2017-08-08 | 2020-04-28 | 应用太空科技有限公司 | Spark plug |
-
2017
- 2017-10-11 CN CN201710943490.2A patent/CN108023276B/en not_active Expired - Fee Related
- 2017-10-11 CN CN201721307831.9U patent/CN207490303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023276A (en) * | 2017-08-08 | 2018-05-11 | 应用太空科技有限公司 | A kind of spark plug |
| CN108023276B (en) * | 2017-08-08 | 2020-04-28 | 应用太空科技有限公司 | Spark plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108023276A (en) | 2018-05-11 |
| CN108023276B (en) | 2020-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 |