CN203387051U - Hobnail-type side-electrode ignition needle - Google Patents
Hobnail-type side-electrode ignition needle Download PDFInfo
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- CN203387051U CN203387051U CN201320485814.XU CN201320485814U CN203387051U CN 203387051 U CN203387051 U CN 203387051U CN 201320485814 U CN201320485814 U CN 201320485814U CN 203387051 U CN203387051 U CN 203387051U
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- ignition
- electrode
- lateral electrode
- nail
- lateral
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Abstract
The utility model discloses a hobnail-type side-electrode ignition needle including an ignition-needle basal body (10) and a side-electrode ignition contact (20), wherein the ignition-needle basal body (10) is hobnail-shaped and includes a nail-head part (11) and a nail column (12), which are formed integrally. The ignition-needle basal body (10) and a side-electrode body (1) of an ignition plug adopt the same material: a nickel-based material. The side-electrode ignition contact (20) is made of a precious-metal material and the side-electrode ignition contact (20) is welded on the other end of the nail column (12) of the ignition-needle basal body (10), corresponding to the nail-head part (11). One end of the nail-head part (11) of the ignition-needle basal body (10) is welded on the side-electrode body (1). The ignition-needle basal body (10) is axially vertical to the side face on the side-electrode body (1), corresponding to a central electrode.
Description
Technical field
The utility model relates to the spark plug technology field, refers to especially a kind of ignition electrode for the tack structure on the lateral electrode of spark plug.
Background technology
Adopt the highly stable noble metal of chemical characteristic to become the constitution trend of spark plug of new generation as the electrode syringe needle of spark plug ignition end, utilize the anti-ablation of noble metal, galvanic corrosion and chemical corrosion and possess good heat conductivility to form the ignition electrode of point discharge on the lateral electrode body of nickel based metal formation.Adopt noble metal to form the discharge tip of electrode, utilize the more stable essence of rare metal chemical characteristic, under extremely high-revolving high temperature, high pressure, still can provide punctual, powerful spark.The electrode of noble metal is got angry and held the performance that makes spark plug that the variation of matter has occurred: one, the high resistance to corrosion performance of noble metal electrode ignition end structure enough keeps spark gap to remain unchanged for a long period of time, make the ignition voltage value stabilization, engine ignition operates steadily, because noble metal ignition electrode corrosion stability is strong, therefore the ignition gap of corresponding central electrode between referring to lateral electrode can not increase ignition gap because of the ignition electrode deterioration, in the spark plug use procedure without having adjusted the correction spark gap; Two, be suitable for cold start, due to point discharge, igniting easily, has improved the performance under the low engine speed operating mode; Three, reduce heat absorption and the flame arrest effect of electrode, strengthen spark energy, tiny electrode ignition needle makes the space enlargement around gap, has increased the accessibility of gaseous mixture, makes burning more abundant, discharges lower.
Adopt as mentioned above noble metal with the obvious advantage as the electrode ignition end of spark plug, yet it still exists a series of technical problem in the specific implementation, for example: one, existing precious metal spark plug lateral electrode is all directly noble metal to be welded on the body of lateral electrode, and be all directly on the spark plug production line, to weld, because the pedestal of lateral electrode is all generally to adopt nickel alloy material to make, different with the material of precious metal, also there is mutually not molten problem while therefore welding, be difficult to firm welding, so the phenomenon of sealing-off easily occurs, this common problem for existing in prior art, two, on the lateral electrode body, the welding precious metal can make the processing technology complexity of spark plug, is unfavorable for suitability for industrialized production, and welds and unsuccessfully may directly cause spark plug really to be scrapped, and has indirectly increased manufacturing cost, has reduced the production efficiency of spark plug, three, the lateral electrode ignition electrode of noble metal material is because price is relatively costly, therefore can only make tiny igniting syringe needle for being soldered on lateral electrode this subject, perhaps adopt precious metal, one end of precious metal is soldered on the lateral electrode body, then cut off out suitable length, melted again, the die forging plastotype, this mode the time exists difficulty except welding, also there is the problem of management of noble metal ignition electrode before being soldered on the lateral electrode body, because noble metal ignition electrode volume is tiny, be unfavorable for that the management on the production line of spark plug is preserved.
Be more than existing main deficiency in prior art, be the utility model and will study the core point overcome.
The utility model content
The purpose of this utility model is to provide a kind of lateral electrode ignition electrode of stub pin type, its technical problem underlying to be solved is: existing noble metal lateral electrode ignition electrode is direct welding processing on the production line of spark plug, except meeting exists the different metal of the lateral electrode body of noble metal and nickel based metal between referring to be difficult to firmly welding and welds and unsuccessfully can cause the problem that spark plug scraps, also exist the noble metal ignition electrode not allow manageable problem, be unfavorable for the streamlined operation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model provides a kind of lateral electrode ignition electrode of stub pin type, and it comprises:
The ignition electrode matrix, described ignition electrode matrix is the major part spike, and described ignition electrode matrix comprises integrated nail head and nail post, and the lateral electrode body of described ignition electrode matrix and spark plug is identical material, is nickel-base material,
The lateral electrode contactless ignition, described lateral electrode contactless ignition is the noble metal material, described lateral electrode contactless ignition is welded on the other end corresponding with nail head on the nail post of described ignition electrode matrix, and
Nail head one end of described ignition electrode matrix is welded on the lateral electrode body of spark plug, and described ignition electrode matrix is axially perpendicular to the side of corresponding central electrode on described lateral electrode body.
Be preferable over: the nail post of described ignition electrode matrix and described lateral electrode contactless ignition all are cylindrical shape, and the central shaft of described lateral electrode contactless ignition and described nail post is overlapping, and the diameter of described lateral electrode contactless ignition is less than or equal to the diameter of described nail post.
Be preferable over: described nail post is round table-like, and described lateral electrode contactless ignition covers on another end face corresponding with described nail head on described round table-like nail post.
Compared with prior art, the beneficial effects of the utility model are:
One, the structure of lateral electrode ignition electrode of the present utility model conveniently realizes mass production lateral electrode ignition electrode, and facilitate the welding manage of noble metal, the batch machining lateral electrode ignition electrode that only needs in advance of producing spark plug gets final product, only need get final product between the ignition electrode matrix of the lateral electrode ignition electrode that processes and lateral electrode body, carrying out same material metal solder during the process side electrode, so when producing the division of labor, also reduce as much as possible the scrappage of spark plug.
Two, the lateral electrode ignition electrode of stub pin type of the present utility model can be realized management in batches, be unlikely to cause managerial puzzlement, and while being welded on the lateral electrode body, only the nail head on the ignition electrode matrix need be got final product to the lateral electrode body with the material metal solder, and increase the area of welding when can make lateral electrode ignition electrode storage management convenient by described nail head, make welding more firm.
Three, utilize the nail post of the lateral electrode ignition electrode of described stub pin type to form the lateral electrode tip, by the lateral electrode contactless ignition of the noble metal material of welding on the lateral electrode tip, realize again and central electrode between the point discharge for pin, improved the ignition performance of spark plug.
The accompanying drawing explanation
Figure l is that lateral electrode ignition electrode of the present utility model is assemblied in the perspective view on the lateral electrode body.
Fig. 2 is the assembling mode schematic diagram between lateral electrode ignition electrode of the present utility model and lateral electrode body.
The example structure schematic diagram that Fig. 3 is another kind of lateral electrode ignition electrode.
The embodiment schematic diagram that Fig. 4 is fusing noble metal on the ignition electrode matrix.
The perspective view that Fig. 5 is round table-like lateral electrode ignition electrode.
Embodiment
Below with reference to accompanying drawing 1 to 5 and preferred embodiment, the lateral electrode ignition electrode of a kind of stub pin type that the utility model proposes is done more to describe in detail.
As Fig. 1, shown in 2, the utility model provides a kind of lateral electrode ignition electrode of stub pin type, it comprises ignition electrode matrix 10 and lateral electrode contactless ignition 20, wherein, described ignition electrode matrix 10 is the major part spike, described ignition electrode matrix 10 comprises integrated nail head 11 and nail post 12, and described ignition electrode matrix 10 is identical material with the lateral electrode body 1 of spark plug, be nickel-base material, described lateral electrode contactless ignition 20 is the noble metal material, described lateral electrode contactless ignition 20 is welded on the other end corresponding with nail head 11 on the nail post 12 of described ignition electrode matrix 10, and nail head 11 1 ends of described ignition electrode matrix 10 are welded on lateral electrode body 1, described ignition electrode matrix 10 is axially perpendicular to the side of corresponding central electrode on described lateral electrode body 1.
The utility model in the specific implementation, as shown in Fig. 1 to 5, can get the ignition electrode matrix 10 that the major part spike is processed in the nickel-base material turning identical with lateral electrode body 1 material of spark plug, make ignition electrode matrix 10 there is nail head 11 and nail post 12, as shown in Figure 3, on the nail post 12 of ignition electrode matrix 10, on the end face of the other end corresponding with nail head 11, by thermal diffusion, be bonded on the end face of described nail post 12 again, perhaps the noble metal punching press is bonded on the end face of described nail post 12 and carries out again heat diffusion treatment, as shown in Figure 4, then the noble metal fusing on nail post 12 end faces positioning welding with laser or electron beam, make the noble metal fusion on the end face of described nail post 12, noble metal after dissolving is cooling, as shown in Figure 5, adopt again the mode of die forging to be forged and pressed plastotype to melting cooled noble metal, use mould to entangle described ignition electrode matrix 10, again the noble metal be welded on described nail post 12 end faces is forged and pressed, make the noble metal after plastotype form lateral electrode contactless ignition 20 at the end face of nail post 12.This lateral electrode ignition electrode facilitates bulk management, formation manufacturing procedure that can be independent, and then facilitated the management of noble metal, and nail head 11 structures on described ignition electrode matrix 10 can increase the area of welding, and then it more firmly can be welded on lateral electrode body 1.
Better embodiment one: as shown in Figure 1, 2, 3, nail post 12 and the described lateral electrode contactless ignition 20 of described ignition electrode matrix 10 all are cylindrical shape, described lateral electrode contactless ignition 20 is overlapping with the central shaft of described nail post 12, and the diameter of described lateral electrode contactless ignition 20 is less than or equal to the diameter of described nail post 12.
Better embodiment two: as shown in Figure 5, described nail post 12 is round table-like, and described lateral electrode contactless ignition 20 covers on another end face corresponding with described nail head 11 on described round table-like nail post 12.
Wherein, the diameter of the nail head 11 of described ignition electrode matrix 10 is between the 0.6-3.0 millimeter, and the diameter of described nail post 12 is between the 0.4-2.5 millimeter, and the total height of described ignition electrode matrix 10 is between the 0.1-1.0 millimeter.
Better embodiment three: as shown in Figure 1, 2 in conjunction with the embodiments one, the diameter of described lateral electrode contactless ignition 20 equals the diameter of described nail post 12, the diameter of described nail head 11 is 1.2 millimeters, the height of described nail head 11 is 0.3 millimeter, the diameter of described nail post 12 is 0.6 millimeter, and described nail post 12 is 0.6 millimeter with the total height of described lateral electrode contactless ignition 20.
Better embodiment four: as shown in Figure 3 in conjunction with the embodiments one, the diameter of described lateral electrode contactless ignition 20 is less than the diameter of described nail post 12, the diameter of described nail head 11 is 1.5 millimeters, the height of described nail head 11 is 0.3 millimeter, the diameter of described nail post 12 is 1.0 millimeters, described nail post 12 is highly 0.5 millimeter, and the diameter of described lateral electrode contactless ignition 20 is 0.6 millimeter, and the height of described lateral electrode contactless ignition 20 is 0.5 millimeter.
Better embodiment five: as shown in Figure 5 in conjunction with the embodiments two, described nail post 12 is round table-like, the diameter of the nail head 11 of described ignition electrode matrix 10 is 1.5 millimeters, the diameter of described nail post 12 is 1.0 millimeters, the height of described nail head 11 is 0.3 millimeter, the height of described nail post 12 is 0.5 millimeter, and described lateral electrode contactless ignition 20 covers on the end face of described round table-like nail post.
Comprehensive the above, the technical solution of the utility model can fully effectively complete above-mentioned utility model purpose, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and can reach effect and the purpose of expection, and embodiment of the present utility model also can be converted according to these principles, therefore, the utility model comprises that all mention all replacement contents in scope in claim.Any equivalence of doing in the utility model claim changes, within all belonging to the scope of the claims of this case application.
Claims (3)
1. the lateral electrode ignition electrode of a stub pin type, it is characterized in that comprising: the ignition electrode matrix, described ignition electrode matrix is the major part spike, described ignition electrode matrix comprises integrated nail head and nail post, and the lateral electrode body of described ignition electrode matrix and spark plug is identical material, be nickel-base material, the lateral electrode contactless ignition, described lateral electrode contactless ignition is the noble metal material, described lateral electrode contactless ignition is welded on the other end corresponding with nail head on the nail post of described ignition electrode matrix, and nail head one end of described ignition electrode matrix is welded on the lateral electrode body of spark plug, described ignition electrode matrix is axially perpendicular to the side of corresponding central electrode on described lateral electrode body.
2. the lateral electrode ignition electrode of a kind of stub pin type as claimed in claim 1, it is characterized in that: the nail post of described ignition electrode matrix and described lateral electrode contactless ignition all are cylindrical shape, the central shaft of described lateral electrode contactless ignition and described nail post is overlapping, and the diameter of described lateral electrode contactless ignition is less than or equal to the diameter of described nail post.
3. the lateral electrode ignition electrode of a kind of stub pin type as claimed in claim 1, it is characterized in that: described nail post is round table-like, and described lateral electrode contactless ignition covers on another end face corresponding with described nail head on described round table-like nail post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485814.XU CN203387051U (en) | 2013-08-09 | 2013-08-09 | Hobnail-type side-electrode ignition needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485814.XU CN203387051U (en) | 2013-08-09 | 2013-08-09 | Hobnail-type side-electrode ignition needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387051U true CN203387051U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485814.XU Expired - Lifetime CN203387051U (en) | 2013-08-09 | 2013-08-09 | Hobnail-type side-electrode ignition needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457162A (en) * | 2013-08-09 | 2013-12-18 | 株洲湘火炬火花塞有限责任公司 | Large-headed nail type side electrode igniting needle and manufacturing method thereof |
-
2013
- 2013-08-09 CN CN201320485814.XU patent/CN203387051U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457162A (en) * | 2013-08-09 | 2013-12-18 | 株洲湘火炬火花塞有限责任公司 | Large-headed nail type side electrode igniting needle and manufacturing method thereof |
| CN103457162B (en) * | 2013-08-09 | 2017-03-08 | 株洲湘火炬火花塞有限责任公司 | A kind of lateral electrode ignition electrode of stub pin type and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Zone 4b, South Industrial Park, high tech Zone, Zhuzhou City, Hunan Province Patentee after: Weichai torch Technology Co.,Ltd. Patentee after: SOMA Co.,Ltd. Address before: 412000 4B zone, South Industrial Zone, Zhuzhou hi tech Development Zone, Hunan Patentee before: ZHUZHOU TORCH SPARKPLUG Co.,Ltd. Patentee before: SOMA Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |