CN106129813A - A kind of spark plug seal washer locking forming method and seal washer - Google Patents
A kind of spark plug seal washer locking forming method and seal washer Download PDFInfo
- Publication number
- CN106129813A CN106129813A CN201610406137.6A CN201610406137A CN106129813A CN 106129813 A CN106129813 A CN 106129813A CN 201610406137 A CN201610406137 A CN 201610406137A CN 106129813 A CN106129813 A CN 106129813A
- Authority
- CN
- China
- Prior art keywords
- spark plug
- seal washer
- packing ring
- split
- solid gasket
- 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
-
- 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
- H01T13/02—Details
- H01T13/08—Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- 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
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
- H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Abstract
A kind of spark plug seal washer locking forming method and seal washer, seal washer is solid gasket, is penetrated from plug ignition end by solid gasket inner ring, and through being threaded at escape, and solid gasket is close on spark-plug body cylindrical supporting surface；Again the spark plug with solid gasket is put in pressing equipment, it is characterized in that, utilize splitting of being arranged in pressing equipment to cut mould the solid gasket inner ring being placed on spark-plug body cylindrical supporting surface is split to cut, under the effect of cutting split by mould, split the face cut at packing ring endoporus to be deformed by generating material by mould, thus topple between toward endoporus to escape, form fore shaft, prevent packing ring from coming off above spark plug.
Description
Technical field
The present invention relates to manufacture method and the product of a kind of spark plug parts, especially relate to a kind of spark plug and seal
The locking forming method of circle and sealing ring, be mainly used in being stuck on spark plug spark plug sealing ring, prevent sealing ring from dropping out；
Belong to spark plug parts manufacture technology field.
Background technology:
Spark plug is typically all the top being arranged on cylinder block by spiral, spark plug metal shell and cylinder block it
Between, in order to prevent high temperature in cylinder, gases at high pressure from leaking, flat seat type spark plug all can install a seal washer；Due to spark
After plug igniting, extreme temperatures after the mixture combustion lighted, so this seal washer can only be metal and can not use
Common rubber gasket.Spark plug seal washer typically has two kinds now, and one is stacked packing ring, and another kind is solid pad
Circle；Described stacked packing ring is tradition stratum stacked packing ring, for multiple structure, so can there is certain gap between every layer；
The thickness of packing ring has the biggest variation with the change of mounting torque value, for spark plug ignition position, and can be because of installation
Change at random occurs, is unfavorable for that electromotor is accurately lighted a fire；And solid gasket, owing to being the monolayer solid construction used, so becoming
Shape is little, and the thickness that there is not stacked packing ring has the most cataclysmal problem with the change of mounting torque value, but but has existence pad
Circle easily comes off, the problem that impact is installed.So recently releasing a kind of by suppressing symmetrical boss on solid gasket inner ring, prevent
The improvement way that packing ring comes off, it was also proposed that some schemes being embodied as, but from presently disclosed so-called solid gasket
From the point of view of anti-loosening and spillout technique scheme, however it remains some shortcomings, mainly have following some:
1, existing solid gasket is anti-loosening and spillout technique scheme, is all that the stamping technology scheme taked is in solid gasket
Circle periphery produces some boss blocks by compacting, so needs the biggest pressure that inner ring is deformed, is easily caused spark
Other parts damages of plug；
2, owing to being to take compacting deformation to produce boss to prevent packing ring from dropping out, so the compacting tool set of packing ring needs to be made and compare
Abundant, the most easily damage by pressure, and so the volume causing compacting tool set is become huge, be unfavorable for that spark plug seals
The online assembling of packing ring；
3, take boss to suppress, it is more difficult to the projection shape suppressed with control, be even easily caused the phenomenon that packing ring is stuck, so
It is unfavorable for the sealing of packing ring.
In sum, at present in the auto lock point position controlling spark plug seal washer, prevent packing ring from dropping out aspect, remain
In some shortcomings, it is still necessary to improved；The patent documentation report constructed with the present invention it is not found to have by patent retrieval
Road, has the patent of certain relation mainly to have following with the present invention:
1, Patent No. CN00251919.4, the utility model patent of entitled " energy-saving environment-protection spark ", this patent
Disclosing a kind of energy-saving environment-protection spark, it is made up of spacer ring body (3), valve block (7) and reed (8), on spacer ring body (6)
There is ring recess (9), the bottom clear opening (10) of ring recess (9), inner side edge has translot (11), and spacer ring body exterior bottom has translot (12),
Valve block (7) and reed (8) are arranged on the ring recess (9) on spacer ring body (6) Nei, and reed has expansion joint on (8).
2, Patent No. CN89105719.6, the invention of entitled " 4-layer-overlapped washer forming method and mould " is special
Profit, which discloses a kind of 4-layer-overlapped washer forming method and mould, is that be first shaped to cross section by sheet metal be L shape
Ring cylinder, then to ring cylinder inside and outside wall port outward flanging, finally ring drum outer wall after flange and flange reducing thereof are deformed, extrusion
Flange and make outer wall along lower circumference to axle center bending to flanged lip along and outer wall laminating final molding be 4-layer-overlapped washer.
Above-mentioned three one-step forming processes realize respectively in a mould and one procedure.The 4-layer-overlapped washer of institute's molding is variable
Shape amount is big, and outward appearance and good seal performance have been produced and substituted nickel-plated copper stacked packing ring in batches and be assemblied in spark for export
Export trade beyond the Great Wall.
3, Patent No. CN201210399361.9, the patent of invention of entitled " spark plug and engine main body assembly ",
Which disclose a kind of assembly, including engine main body, spark plug and seal washer.By by the male thread portion of spark plug
Being screwed into the female thread portion of engine main body, spark plug is installed to engine main body, wherein seal washer is mobilizing owner
The seat surface of body and the elastic deformation between face of taking a seat of spark plug.Seal washer is by yield stress or 0.2% proof stress not
Metal material less than 200N/mm2 is fabricated by.Seal washer have respectively with the face of taking a seat of spark plug and engine main body
First and second contact surfaces of seat surface contact.First and second contact surfaces of seal washer are respectively formed as the bending with convex
The part on surface, and be offset from one another in the radial direction of spark plug.
4, Patent No. CN201280034543.4, the patent of invention of entitled " spark plug ", which disclose one
Realize the technology guaranteeing air-tightness and packing ring can being suppressed to loosen.Spark plug is provided with the cylindrical master extended in the axial direction
Body；With the ring washer being arranged around described main body.Described packing ring is solid, and consists primarily of copper, and comprises
The nickel of at least 0.1wt%.Described packing ring described axially on maximum gauge be at least 0.4mm, and the Vickers of described packing ring
Hardness is between 30HV to 150HV.
Though these patents above-mentioned have been directed to the seal washer of spark plug, and propose some improvement technical schemes,
But carefully analyze it appeared that these patents do not have positive true solution determines the seal washer of current spark plug during compressing
Easily produced problem, more foregoing problems yet suffer from, and still need to be improved further.
Summary of the invention
The seal washer that present invention aims to existing spark plug is existing in the mode preventing packing ring from dropping out
Deficiency, a kind of new spark plug seal washer locking forming method and seal washer are proposed, this spark plug seal washer locks
Forming method and seal washer both can realize the locking molding of spark plug seal washer, can guarantee that again its that will not damage spark plug
Its parts, and forming die structure is small and exquisite.
In order to reach this purpose, the invention provides a kind of spark plug seal washer locking forming method, seal washer
For solid gasket, solid gasket inner ring is penetrated from plug ignition end, and through being threaded at escape, and make solid pad
Circle is close on spark-plug body cylindrical supporting surface；Again the spark plug with solid gasket is put in pressing equipment, utilize peace
Splitting of being contained in pressing equipment is cut mould and is split the solid gasket inner ring being placed on spark-plug body cylindrical supporting surface and cut,
Under the effect of cutting split by mould, split the face cut at packing ring endoporus by mould and generating material deformed, thus toward endoporus to escape it
Between topple over, formed fore shaft, prevent packing ring from coming off above spark plug.
Further, described solid gasket is monolayer faced washer, and the inner ring of solid gasket have a circle packing ring from
By face, the scope of freedom, near packing ring endoporus side, splits that to cut mould and split when cutting at solid gasket endoporus be to split with mould to cut packing ring freely
Face so that the packing ring scope of freedom part or all of generating material deformation, thus toward endoporus to escape between topple over, formed lock
Mouthful, prevent packing ring from coming off above spark plug.
Further, the described packing ring scope of freedom is an inclined-plane, is by the most oblique inclined-plane so that solid gasket
Outer ring is thicker than the thickness of inner ring, and the inner ring scope of freedom so can be facilitated to split formation fore shaft when cutting.
Further, described fore shaft is shaped as point circular arcs arranged such as multistage or is whole annulus.
Further, described fore shaft is shaped as circular arc type, quantity >=2 of circular arc, the width correspondence fan angle of circular arc
≥5°；Decile is distributed.
A kind of by the spark plug seal washer made by above-mentioned forming method, spark plug seal washer is solid gasket,
Described solid gasket is monolayer faced washer, and has a circle packing ring scope of freedom at the inner ring of solid gasket, and the scope of freedom is near pad
Circle endoporus side, on the packing ring scope of freedom by split cut mould split cut with toward endoporus to escape between the fore shaft toppled over, prevent
Packing ring comes off above spark plug.
Further, the described packing ring scope of freedom is an inclined-plane, is by the most oblique inclined-plane so that solid gasket
Outer ring is thicker than the thickness of inner ring, and the inner ring scope of freedom so can be facilitated to split formation fore shaft when cutting.
Further, described fore shaft is shaped as splitting to be cut mould and splits point circular arcs arranged such as the triangle multistage that cuts out or be
Whole annulus.
Further, described fore shaft is shaped as triangle multi-section circular arc, and the quantity of circular arc is more than or equal to >=2, circular arc
Width correspondence fan angle more than or equal to >=5 °；Decile is distributed.
It is an advantage of the current invention that: the present invention uses the mode splitting cut, by the inner ring scope of freedom of spark plug seal washer
Split and cut out the fore shaft preventing seal washer from dropping out from spark plug, there is the following benefit:
1, employing is split butt formula and is formed snap close, has axial crush-cutting power in need less, easy molding；
2, other parts that butt formula is not easy on damage spark plug are split in employing；
3, splitting the snap close that butt formula is formed, shape is regular, is easily controlled sizing, does not haves stuck showing on spark plug
As；
4, use and split splitting produced by butt formula to cut mould volume structure little, realize the most on a production line.
Accompanying drawing illustrates:
Fig. 1 is the structural representation before the spark plug seal washer assembling of one embodiment of the invention；
Fig. 2 is the plan structure schematic diagram of accompanying drawing 1；
Fig. 3 is the structural representation after the spark plug seal washer assembling of one embodiment of the invention；
Fig. 4 is the plan structure schematic diagram of accompanying drawing 3；
Fig. 5 is the structural representation before the spark plug seal washer assembling of another embodiment of the present invention；
Fig. 6 is the plan structure schematic diagram of accompanying drawing 5；
Fig. 7 is spark plug seal washer of the present invention cuts schematic flow sheet splitting to cut to split in mould.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment one
As shown in accompanying drawing 1,2 and 3,4, a kind of spark plug seal washer locking forming method, use monolayer flat board solid gasket, will
Monolayer flat board solid gasket 1 inner ring hole penetrates from plug ignition end 2, and through being threaded at escape 3, and make solid pad
Circle 1 is close on spark-plug body cylindrical supporting surface 4；Again the spark plug with solid gasket 1 is put in pressing equipment 5, profit
Cut mould 6 with splitting of being arranged in pressing equipment the solid gasket inner ring being placed on spark-plug body cylindrical supporting surface is carried out
Split and cut, cut mould 6 split under the effect of cutting splitting, split the face cut at solid gasket 1 endoporus by mould and generating material is deformed, thus past
Endoporus is toppled between escape, forms fore shaft, prevents packing ring from coming off above spark plug.
Be respectively arranged with a circle packing ring scope of freedom 7 on the inner ring two sides of described monolayer flat board solid gasket 1, the scope of freedom 7 is near pad
Circle endoporus 8 side so that the inner ring of monolayer flat board solid gasket 1 becomes the shape that inside inclined-plane closes up, splits and cuts mould 6 and split
It is the packing ring scope of freedom 7 split with mould and cut solid gasket 1 when cutting at solid gasket endoporus so that the part on the packing ring scope of freedom 7 is sent out
Green material deform, thus toward endoporus to escape between topple over, formation fore shaft 9, prevent packing ring from coming off above spark plug.
The inclined-plane on the described packing ring scope of freedom 7, be by the most oblique inclined-plane so that the outer ring of solid gasket is thicker than inner ring
Thickness, the inner ring scope of freedom so can be facilitated to split when cutting formation fore shaft 9.
Described fore shaft 9 is shaped as splitting to be cut mould 6 and splits point circular arc blocks arranged such as the triangle multistage that cuts out, circular arc block
Quantity is point distributions such as 4,4 sections of circular arcs, the width correspondence fan angle 15 ° of circular arc.
The technological process of described spark plug seal washer locking forming method as shown in Figure 7, specifically comprises the following steps that
1, brass material is chosen, by stamping out monolayer flat board solid gasket；
2, on press, suppress, by mould, the shape packing ring scope of freedom closed up with inside inclined-plane, two sides；
3, monolayer flat board solid gasket endoporus is processed so that the endoporus of monolayer flat board solid gasket and the screw rod of spark plug
Reach interference fits；
4, by the monolayer flat board solid gasket made from plug ignition end be enclosed within plug ignition end metal threaded, mobile
At escape；
5, put into split by the spark plug being cased with monolayer flat board solid gasket and cut in mould, cut mould to being placed in spark plug by splitting
The solid gasket inner ring scope of freedom on housing cylindrical supporting surface carries out splitting cutting so that 4 sections of arch sections on the packing ring scope of freedom occur
Material deforms, thus toward endoporus to escape between topple over, formation fore shaft, reach to prevent packing ring from coming off above spark plug mesh
's.
Embodiment two
As the ultimate principle of embodiment two and embodiment one is, simply structure is different, as shown in figures 3 and 4, for one
Spark plug seal washer locking forming method, seal washer is solid gasket, is worn from plug ignition end by solid gasket inner ring
Enter, and through being threaded at escape, and solid gasket is close on spark-plug body cylindrical supporting surface；Again will be with reality
The spark plug of heart packing ring is put in pressing equipment, and splitting that utilization is arranged in pressing equipment cuts mould to being placed in spark-plug body
Solid gasket inner ring on cylindrical supporting surface carries out splitting cutting, and under the effect of cutting split by mould, is split the face cut at packing ring endoporus by mould
By generating material deform, thus toward endoporus to escape between topple over, formation fore shaft, prevent packing ring from coming off above spark plug.
Described solid gasket is monolayer faced washer, and has a circle packing ring scope of freedom at the inner ring of solid gasket, freely
Face, near packing ring endoporus side, splits that to cut mould and split when cutting at solid gasket endoporus be to split with mould to cut the packing ring scope of freedom so that pad
Circle the scope of freedom part or all of generating material deformation, thus toward endoporus to escape between topple over, formation fore shaft, prevent packing ring
Come off above spark plug.
The described packing ring scope of freedom is an inclined-plane, is by the most oblique inclined-plane so that the outer ring of solid gasket is thicker than
The thickness of inner ring, so can facilitate the inner ring scope of freedom to split formation fore shaft when cutting.
Described fore shaft is shaped as point arc sections arranged such as triangular shape multistage, and the quantity of arc section is 3, the width of circular arc
Corresponding fan angle is 35 °；3 distributions such as grade.
It is the same with embodiment one that packing ring forms the method and steps of snap close.
Embodiment three
As the ultimate principle of embodiment three and embodiment one is, simply structure is different, as depicted in figures 5 and 6, for one
Spark plug seal washer locking forming method, seal washer is solid gasket 201, by solid gasket 201 inner ring from spark plug point
Fire end penetrates, and through being threaded at escape, and solid gasket is close on spark-plug body cylindrical supporting surface；Again will
Spark plug with solid gasket is put in pressing equipment, and splitting that utilization is arranged in pressing equipment cuts mould to being placed in spark
Solid gasket inner ring on plug housing cylindrical supporting surface carries out splitting cutting, and cuts mould split under the effect of cutting, by mould at packing ring endoporus splitting
Tool is split the face cut and is deformed by generating material, thus toward endoporus to escape between topple over, formation fore shaft, prevent packing ring from spark plug
Come off above.
Described solid gasket 201 is monolayer faced washer, and has a circle packing ring scope of freedom at the inner ring of solid gasket, from
By face near packing ring endoporus side, split that to cut mould and split when cutting at solid gasket endoporus be to split with mould to cut the packing ring scope of freedom so that
The deformation of the packing ring scope of freedom whole generating material, thus toward endoporus to escape between topple over, formation fore shaft 209, prevent packing ring from
Come off above spark plug.
The described packing ring scope of freedom is to be respectively arranged with an inclined-plane on the two sides of the inner ring of solid gasket, is by the most oblique oblique outward
Face so that the outer ring of solid gasket is thicker than the thickness of inner ring, so can facilitate the inner ring scope of freedom to split formation fore shaft when cutting.
Described fore shaft is shaped as whole annulus, is cut mould and splits by splitting and cut the packing ring scope of freedom so that it is becomes a circle and be similar to three
Angle groove 210, the fore shaft shape formed triangular shape as depicted in figures 5 and 6, three arms of angle pass through circular arc 211 transition, form one
Individual intilted spininess clip, snaps at spark plug escape.
Above-mentioned listed embodiment, simply combines accompanying drawing and technical scheme is carried out clear, complete description；Aobvious
So, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
It will be apparent that by the description of embodiment it is clear that the invention still further relates to a kind of by above-mentioned forming method institute
The spark plug seal washer made, spark plug seal washer is solid gasket, and described solid gasket is monolayer faced washer, and
Inner ring in solid gasket has a circle packing ring scope of freedom, and the scope of freedom is near packing ring endoporus side, by splitting on the packing ring scope of freedom
Cut mould split cut with toward endoporus to escape between the fore shaft toppled over, prevent packing ring from coming off above spark plug.
Further, the described packing ring scope of freedom is an inclined-plane, is by the most oblique inclined-plane so that solid gasket
Outer ring is thicker than the thickness of inner ring, and the inner ring scope of freedom so can be facilitated to split formation fore shaft when cutting.
Further, described fore shaft is shaped as point circular arcs arranged such as multistage or is whole annulus.
Further, described fore shaft is shaped as circular arc type, and the quantity of circular arc is more than or equal to >=2, the width pair of circular arc
Fan angle is answered to be more than or equal to >=5 °；Decile is distributed.
It is an advantage of the current invention that: the present invention uses the mode splitting cut, by the inner ring scope of freedom of spark plug seal washer
Split and cut out the fore shaft preventing seal washer from dropping out from spark plug, there is the following benefit:
1, employing is split butt formula and is formed snap close, has axial crush-cutting power in need less, easy molding；
2, other parts that butt formula is not easy on damage spark plug are split in employing；
3, splitting the snap close that butt formula is formed, shape is regular, is easily controlled sizing, does not haves stuck showing on spark plug
As；
4, use and split splitting produced by butt formula to cut mould volume structure little, realize the most on a production line.
Claims (9)
1. a spark plug seal washer locking forming method, seal washer is solid gasket, by solid gasket inner ring from spark
Plug firing tip penetrates, and through being threaded at escape, and solid gasket is close on spark-plug body cylindrical supporting surface；
Again the spark plug with solid gasket is put in pressing equipment, it is characterised in that splitting that utilization is arranged in pressing equipment is cut
The solid gasket inner ring being placed on spark-plug body cylindrical supporting surface is split and is cut by mould, under the effect of cutting split by mould, and pad
Split, by mould, the face cut generating material deformed at circle endoporus, thus toward endoporus to escape between topple over, formation fore shaft, prevent
Packing ring comes off above spark plug.
2. spark plug seal washer locking forming method as claimed in claim 1, it is characterised in that described solid gasket is
Monolayer faced washer, and have a circle packing ring scope of freedom at the inner ring of solid gasket, the scope of freedom, near packing ring endoporus side, is split and is cut mould
To split when cutting at solid gasket endoporus be to split with mould to cut the packing ring scope of freedom to tool so that the packing ring scope of freedom partly or entirely there is material
Material deformation, thus toward endoporus to escape between topple over, formation fore shaft, prevent packing ring from coming off above spark plug.
3. spark plug seal washer locking forming method as claimed in claim 2, it is characterised in that the described packing ring scope of freedom
It is an inclined-plane, is by the most oblique inclined-plane so that the outer ring of solid gasket is thicker than the thickness of inner ring, in so can facilitating
Formation fore shaft when cutting is split on the circle scope of freedom.
4. spark plug seal washer locking forming method as claimed in claim 3, it is characterised in that described fore shaft is shaped as
Multistages etc. divide the circular arc arranged or are whole annulus.
5. spark plug seal washer locking forming method as claimed in claim 3, it is characterised in that described fore shaft is shaped as
Circular arc type, the quantity of circular arc is more than or equal to 2, and the width correspondence fan angle of circular arc is more than or equal to 5 °；Decile is distributed.
6. utilize a spark plug seal washer locking spark plug seal washer made by forming method, fire described in claim
Flower plug seal washer is solid gasket, and described solid gasket is monolayer faced washer, and has a circle at the inner ring of solid gasket
The packing ring scope of freedom, the scope of freedom near packing ring endoporus side, on the packing ring scope of freedom by split cut mould split cut with toward endoporus to moving back
The fore shaft toppled between cutter groove, prevents packing ring from coming off above spark plug.
7. spark plug seal washer as claimed in claim 3, it is characterised in that the described packing ring scope of freedom is an inclined-plane,
It is by the most oblique inclined-plane so that the outer ring of solid gasket is thicker than the thickness of inner ring, and the inner ring scope of freedom so can be facilitated to split
Fore shaft is formed when cutting.
8. spark plug seal washer as claimed in claim 7, it is characterised in that described fore shaft is shaped as point layouts such as multistage
Circular arc or be whole annulus.
9. spark plug seal washer as claimed in claim 7, it is characterised in that described fore shaft is shaped as circular arc type, circular arc
Quantity more than or equal to 2, the width correspondence fan angle of circular arc is more than or equal to 5 °；Decile is distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406137.6A CN106129813B (en) | 2016-06-12 | 2016-06-12 | A kind of spark plug seal washer locking forming method and seal washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406137.6A CN106129813B (en) | 2016-06-12 | 2016-06-12 | A kind of spark plug seal washer locking forming method and seal washer |
Publications (2)
| Publication Number | Publication Date |
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| CN106129813A true CN106129813A (en) | 2016-11-16 |
| CN106129813B CN106129813B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610406137.6A Active CN106129813B (en) | 2016-06-12 | 2016-06-12 | A kind of spark plug seal washer locking forming method and seal washer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214239A (en) * | 2017-08-09 | 2017-09-29 | 株洲湘火炬火花塞有限责任公司 | A kind of spark plug seal washer locking means and seal washer and packing ring preparation method |
| CN111613972A (en) * | 2019-02-26 | 2020-09-01 | 日本特殊陶业株式会社 | Method for manufacturing spark plug |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013125587A (en) * | 2011-12-13 | 2013-06-24 | Ngk Spark Plug Co Ltd | Spark plug manufacturing method |
| CN103797670A (en) * | 2011-07-11 | 2014-05-14 | 日本特殊陶业株式会社 | Spark plug |
| CN104995806A (en) * | 2013-02-15 | 2015-10-21 | 日本特殊陶业株式会社 | Ignition plug |
-
2016
- 2016-06-12 CN CN201610406137.6A patent/CN106129813B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797670A (en) * | 2011-07-11 | 2014-05-14 | 日本特殊陶业株式会社 | Spark plug |
| JP2013125587A (en) * | 2011-12-13 | 2013-06-24 | Ngk Spark Plug Co Ltd | Spark plug manufacturing method |
| CN104995806A (en) * | 2013-02-15 | 2015-10-21 | 日本特殊陶业株式会社 | Ignition plug |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214239A (en) * | 2017-08-09 | 2017-09-29 | 株洲湘火炬火花塞有限责任公司 | A kind of spark plug seal washer locking means and seal washer and packing ring preparation method |
| CN111613972A (en) * | 2019-02-26 | 2020-09-01 | 日本特殊陶业株式会社 | Method for manufacturing spark plug |
| CN111613972B (en) * | 2019-02-26 | 2021-07-27 | 日本特殊陶业株式会社 | Method for manufacturing spark plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129813B (en) | 2018-09-07 |
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Address after: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee after: Weichai torch Technology Co.,Ltd. Address before: 412001 No. 68 Hongqi Road North, Hunan, Zhuzhou Patentee before: ZHUZHOU TORCH SPARKPLUG Co.,Ltd. |