CN205882389U - Porous spark plug - Google Patents
Porous spark plug Download PDFInfo
- Publication number
- CN205882389U CN205882389U CN201620617856.8U CN201620617856U CN205882389U CN 205882389 U CN205882389 U CN 205882389U CN 201620617856 U CN201620617856 U CN 201620617856U CN 205882389 U CN205882389 U CN 205882389U
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- CN
- China
- Prior art keywords
- spark plug
- electrode
- porous
- insulating ceramics
- cylinder
- 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
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Abstract
The utility model relates to a porous spark plug, including spark plug body, center electrode, porous lateral electrode body and lateral electrode, center electrode passes through insulating ceramic body cladding and installs the tip at the spark plug body, just center electrode's one end is exposed the insulating ceramic body, porous lateral electrode body cover is established on the insulating ceramic body and with the insulating ceramic bodily form becomes a space inclosed relatively, porous lateral electrode body will center electrode exposes an end shield of the insulating ceramic body establish with in the space inclosed relatively that the insulating ceramic bodily form becomes, the one end of lateral electrode is inlayed the inside of porous lateral electrode body, the other end is located in the space inclosed relatively that porous lateral electrode body and the insulating ceramic bodily form become and with center electrode exposes the one end of the insulating ceramic body is relative. The utility model discloses can protect center electrode and lateral electrode to avoid the high temperature that burns and produce in the cylinder, improve life.
Description
Technical field
This utility model relates to a kind of spark plug, is specifically related to a kind of porous spark plug.
Background technology
Spark plug is high-tension current to introduce in gasoline engine ignition system cylinder produce electric spark, to light combustion mixture
The parts of body, are mainly made up of wiring nut, insulator, wiring screw rod, central electrode, lateral electrode and shell, and lateral electrode is welded
It is connected on shell.In the prior art, one layer of iraurite material of central electrode surface soldered, lateral electrode does not use iraurite, uses
Iraurite welding manner, amount is not durable less, and iraurite is exposed in burning gases, have impact on the service life of spark plug.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of porous that can protect central electrode and lateral electrode
Spark plug, increases the service life.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of porous spark plug, including spark plug originally
Body, central electrode, hole side electrode body and lateral electrode, described central electrode is coated with by insulating ceramics body and is arranged on described
The end of spark plug body, and one end of described central electrode exposes described insulating ceramics body, described hole side electrode body set
Being located on described insulating ceramics body and form a relative airtight space with described insulating ceramics body, described hole side electrode is originally
Described central electrode is exposed one end of described insulating ceramics body and is located at relative airtight with what described insulating ceramics body was formed by body
Space in, one end of described lateral electrode is embedded in the inside of described hole side electrode body, and the other end is positioned at described hole side
Described insulation pottery is exposed in the relative airtight space that electrode body is formed with described insulating ceramics body and with described central electrode
One end of porcelain body is relative.
The beneficial effects of the utility model are: this utility model one porous spark plug uses hole side electrode body to coordinate
Central electrode and lateral electrode are located in the space of an opposing seal by insulating ceramics body, can protect central electrode and side electricity
The high temperature that gas in-cylinder combustion produces is avoided in pole, improves service life of the present utility model.
On the basis of technique scheme, this utility model can also do following improvement.
Further, described hole side electrode body includes the cylinder of both ends open, and is axially set in described cylinder
Portion and described cylinder is separated into the polylith baffle plate of porous, the structure that is connected as a single entity of the side of baffle plate described in polylith forms newel,
Opposite side is connected on the inwall of described cylinder, and one end of described lateral electrode is embedded in described newel.
Further, the sidewall of described cylinder offers two petard holes along cylinder radial symmetric.
Use above-mentioned further scheme to provide the benefit that: the arranging of spark hole can increase lateral electrode and central electrode it
Between the contact area of compressed gas in the spark and the cylinder that produce so that the spark produced between lateral electrode and central electrode
Preferably light compressed gas.
Further, described spark hole be shaped as inner small and outside big tubaeform or straight tube shape.
Further, described central electrode and the relative two ends of described lateral electrode are respectively positioned between two described spark holes.
Above-mentioned further scheme is used to provide the benefit that: the equal position, two ends that described central electrode is relative with described lateral electrode
Between two described spark holes, the spark produced between lateral electrode and central electrode can be improved and light the effect of compressed gas
Rate.
Further, described central electrode and/or lateral electrode are the strip structure being made up of iraurite material.
Use above-mentioned further scheme to provide the benefit that: iraurite good conductivity, durable, high temperature resistant, further increase
Central electrode and the service life of lateral electrode.
Further, the outer wall of described cylinder be provided with two along cylinder radial symmetric with protruding fixed block, two pieces of institutes
State axial and relative being arranged on described cylinder outer wall of fixed block, and described projection extend out to outside described cylinder.
Further, described insulating ceramics body is provided with the groove that a circle mates, and described hole side electrode with described projection
Body is by the dismountable groove being installed on described insulating ceramics body of projection on two described fixed blocks.
Above-mentioned further scheme is used to provide the benefit that: hole side electrode body is detachable, facilitates later stage more switching center9
Electrode and lateral electrode.
Accompanying drawing explanation
Fig. 1 is the perspective view of this utility model a kind of porous spark plug；
Fig. 2 is the phantom of this utility model a kind of porous spark plug；
Fig. 3 is the oblique upward view of stereochemical structure of the hole side electrode of this utility model a kind of porous spark plug；
Fig. 4 is the stereochemical structure side view of the hole side electrode of this utility model a kind of porous spark plug；
Fig. 5 is the top plan view of the hole side electrode of this utility model a kind of porous spark plug；
Fig. 6 is the planar elevation view of the hole side electrode of this utility model a kind of porous spark plug；
Fig. 7 is the planar side view of the hole side electrode of this utility model a kind of porous spark plug.
In accompanying drawing, the list of parts representated by each label is as follows:
1, spark plug body, 2, central electrode, 3, hole side electrode body, 31, cylinder, 32, baffle plate, 33, newel,
34, spark hole, 35, fixed block, 4, lateral electrode, 5, insulating ceramics body.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
As it is shown in figure 1, a kind of porous spark plug, including spark plug body 1, central electrode 2, hole side electrode body 3 and
Lateral electrode 4, described central electrode 2 is coated with by insulating ceramics body 5 and is arranged on the end of described spark plug body 1, and described
Described insulating ceramics body 5 is exposed in one end of central electrode 2, and described hole side electrode body 3 is set on described insulating ceramics body 5
And a relative airtight space is formed with described insulating ceramics body 5, described hole side electrode body 3 is by described central electrode 2
The one end exposing described insulating ceramics body 5 is located in the relative airtight space formed with described insulating ceramics body 5, described side
One end of electrode 4 is embedded in the inside of described hole side electrode body 3, and the other end is positioned at described hole side electrode body 3 and institute
State in the most airtight space that insulating ceramics body 5 is formed and expose one end of described insulating ceramics body 5 with described central electrode 2
Relatively.
In this specific embodiment, described hole side electrode body 3 includes the cylinder 31 of both ends open, and axially arranged
Described cylinder 31 and is separated into inside described cylinder 31 the polylith baffle plate 32 of porous, and described in polylith, the side of baffle plate 32 is linked as
Integrative-structure forms newel 33, and opposite side is connected on the inwall of described cylinder 31, and one end of described lateral electrode 4 is embedded in institute
State in newel 33.
Two petard holes 34 along cylinder radial symmetric are offered on the sidewall of described cylinder 31.The shape in described spark hole 34
Shape is inner small and outside big tubaeform or straight tube shape.The two ends that described central electrode 2 is relative with described lateral electrode 4 are respectively positioned on two institutes
State between spark hole 34.Described central electrode 2 and/or lateral electrode 4 are the strip structure being made up of iraurite material.Described cylinder 31
Outer wall be provided with two along cylinder 31 radial symmetric with protruding fixed block 35, two pieces of described fixed blocks 35 are axially and relatively
Be arranged on described cylinder 31 outer wall, and described projection extend out to outside described cylinder 31.Described insulating ceramics body 5 is provided with one
The groove that circle mates with described projection, and described hole side electrode body 3 is removable by the projection on two described fixed blocks 35
In the groove being installed on described insulating ceramics body 5 unloaded.
This utility model one porous spark plug use hole side electrode body coordinated insulation ceramic body by central electrode and
Lateral electrode is located in the space of an opposing seal, and central electrode and lateral electrode can be protected to avoid what gas in-cylinder combustion produced
High temperature, improves service life of the present utility model.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (8)
1. a porous spark plug, it is characterised in that: include spark plug body, central electrode, hole side electrode body and side electricity
Pole, described central electrode is coated with and is arranged on the end of described spark plug body, and described central electrode by insulating ceramics body
One end expose described insulating ceramics body, described hole side electrode body be set on described insulating ceramics body and with described insulation
Ceramic body forms a space the most airtight, and described central electrode is exposed described insulating ceramics by described hole side electrode body
One end of body is located in the relative airtight space formed with described insulating ceramics body, and one end of described lateral electrode is embedded in institute
Stating the inside of hole side electrode body, it is relative with what described insulating ceramics body was formed that the other end is positioned at described hole side electrode body
The one end in airtight space and exposing described insulating ceramics body with described central electrode is relative.
A kind of porous spark plug the most according to claim 1, it is characterised in that: described hole side electrode body includes two ends
The cylinder of opening, and be axially set in described cylinder interior and described cylinder is separated into the polylith baffle plate of porous, polylith institute
Stating the side of the baffle plate structure that is connected as a single entity and form newel, opposite side is connected on the inwall of described cylinder, described lateral electrode
One end is embedded in described newel.
A kind of porous spark plug the most according to claim 2, it is characterised in that: offer two on the sidewall of described cylinder
Petard hole along cylinder radial symmetric.
A kind of porous spark plug the most according to claim 3, it is characterised in that: being shaped as of described spark hole is inner small and outside big
Tubaeform or straight tube shape.
5. according to a kind of porous spark plug described in claim 3 or 4, it is characterised in that: described central electrode and described side electricity
Extremely relative to two ends be respectively positioned between two described spark holes.
6. according to a kind of porous spark plug described in any one of Claims 1-4, it is characterised in that: described central electrode and/or
Lateral electrode is the strip structure being made up of iraurite material.
7. according to a kind of porous spark plug described in any one of claim 2 to 4, it is characterised in that: on the outer wall of described cylinder
Be provided with two along cylinder radial symmetric with protruding fixed block, what two pieces of described fixed blocks were axial and relative is arranged on described circle
On drum outer wall, and described projection extend out to outside described cylinder.
A kind of porous spark plug the most according to claim 7, it is characterised in that: described insulating ceramics body be provided with a circle with
The groove of described protruding coupling, and described hole side electrode body is by the dismountable card dress of the projection on two described fixed blocks
In the groove of described insulating ceramics body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617856.8U CN205882389U (en) | 2016-06-18 | 2016-06-18 | Porous spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617856.8U CN205882389U (en) | 2016-06-18 | 2016-06-18 | Porous spark plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205882389U true CN205882389U (en) | 2017-01-11 |
Family
ID=57692517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620617856.8U Expired - Fee Related CN205882389U (en) | 2016-06-18 | 2016-06-18 | Porous spark plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205882389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541757A (en) * | 2019-09-09 | 2019-12-06 | 北京理工大学 | Ignition device and method for spark plug in combustion chamber of small-sized rotor engine |
-
2016
- 2016-06-18 CN CN201620617856.8U patent/CN205882389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541757A (en) * | 2019-09-09 | 2019-12-06 | 北京理工大学 | Ignition device and method for spark plug in combustion chamber of small-sized rotor engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170724 Address after: Eighteen, Jiangmen, Guangdong Province, Jianghai District, Wu, Wu, East, 510000 Wai lot Patentee after: Jiangmen Jianghai District Motor Vehicle Parts Factory Co., Ltd. Address before: 529000, Xinmin District, Jiangmen, Jianghai District, Guangdong, Dongan Province, Xinmin 289 Patentee before: Li Zhongyao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190618 |