CN202231304U - Durable spark plug capable of being repeatedly disassembled, assembled and cleaned for use - Google Patents
Durable spark plug capable of being repeatedly disassembled, assembled and cleaned for use Download PDFInfo
- Publication number
- CN202231304U CN202231304U CN201120339966XU CN201120339966U CN202231304U CN 202231304 U CN202231304 U CN 202231304U CN 201120339966X U CN201120339966X U CN 201120339966XU CN 201120339966 U CN201120339966 U CN 201120339966U CN 202231304 U CN202231304 U CN 202231304U
- Authority
- CN
- China
- Prior art keywords
- porcelain core
- spark plug
- cleaned
- shell
- repeated disassembled
- 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 - Lifetime
Links
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 88
- 238000007789 sealing Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 5
- 239000003500 flue dust Substances 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001504664 Crossocheilus latius Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Spark Plugs (AREA)
Abstract
The utility model relates to a can relapse durable spark plug that dismouting washd and used, including insulating porcelain core, be equipped with central electrode in the inside of porcelain core, be equipped with the nut in the upper end of porcelain core, be equipped with the discharge needle of being connected with central electrode at the lower extreme of porcelain core, be equipped with the shell in the lower part cover of porcelain core, be equipped with telluric electricity field under the shell, the cover is equipped with on porcelain core and can fixes the gland nut on porcelain core with the shell. The utility model overcomes the deficiencies in the prior art and provides a spark plug that can be repeatedly disassembled, assembled and cleaned and recycled.
Description
[technical field]
The utility model relates to a kind of spark plug.
[background technology]
Current global automobile pollution has reached 2,000,000,000, and the automobile pollution of China increases especially with surprising rapidity year by year, by on August 20th, 2011, according to the Chinese authority of parties concerned statistics, 1.3 hundred million of Chinese automobile recoverable amounts.Automobile is as current people's walking-replacing tool, and environmental pollution that brings in its use and resource consumption are startling.Spark plug is as the chief component of igniter indispensable except the motor vehicle diesel car, and its useful life: price is 4～60,000 kilometers of 15～60 yuans of plain edition spark plug nominal mileages.
Exploitation listing in recent years, price be at 60～150 yuans medium-to-high grade platinum, iraurite spark plug, nominal mileage 6～100,000 kilometer.In fact, according to from the data of a plurality of repair shops, so-called medium-sized spark plug, about 6～9 months of life-span or 2～30,000 kilometers, general 12 months of medium-to-high grade spark plug, mileage 4～60,000 kilometer.Common and medium-to-high grade spark plug average life span 9.75 months.The whole world has 1,500,000,000 gasoline cars that need to use spark plug approximately, and each car need use the i.e. engine of 4 or 6 cylinders of 4～6 spark plugs, and average 5 spark plugs in prediction on such basis, just had 7,500,000,000 spark plugs to be thrown away in per 9.75 months.The author once weighed to the current spark plug of circulation on the market, and general big hexagonal spark plug is on average heavy 109g/, porcelain core 22g wherein, and a metal 87g/ manganese-nickel---stainless steel 5g/, copper 2.5g/, common metal 79.5g/ is individual; Little hexagonal spark plug 42g/; The average 18g/ of porcelain core, the average 24g/ of metal wherein the average 5g/ of manganese-nickel, copper 2.5g/; Common straightcarbon steel 16.5g/; On average heavy 20g/ of concentric reducer spark-plug porcelain, concentric reducer spark plug metal is on average heavy 55.5g/ wherein the average 5g/ of manganese-nickel, copper 2.5g/.
In sum, 150,000 tons of the primary raw material alundum (Als of the discarded aluminium section bar of spark plug were changed in the whole world in annual 9.75 months, and 41.6 ten thousand tons on metal wherein manganese nickel high duty alloy 3.75 ten thousand rams the loose soil with a stone-roller after sowing 1.875 ten thousand tons of copper.In recent years, in order to improve automobile engine cold start performance, spark plug electrion pin adopted platinum and iraurite to make, and had universal gesture.380 yuans of the every gram valencys of the expensive platinum on August 20th, 2011 of these rare metals can not use in a large number, therefore, and only at former central electrode manganese-nickel ignitor electrode head laser welding Φ 0.5mm～Φ 2mm, long 1mm～2mm platinum or iraurite.Because non-renewable do not have other better technology again, these valuable rare metals just have to thrown away as waste product in use for some time.
Fig. 7 is the typical structure of spark plug of current market circulation.Nut a is the high-tension electricity joint, and high-tension electricity is delivered to resistance e to central electrode f via it, again spray point h that rare metal platinum or iraurite are made and the gap between the grounding electrode i produce electric spark or electric arc with cylinder in oily vapour gaseous mixture light and promote the piston acting.Turn-knob shell nut b, outer casing screw X2 are connected fixing with automobile current generator.Pad g makes the sealing of engine contact-making surface and spark plug under the spinning force effect.For guaranteeing insulation; Between central electrode f and shell nut b with porcelain core C isolated insulation, central electrode f, resistance e generally with ceramic resistor and porcelain core together sintering or gelling form with porcelain core C condense with glue d fixing, during manufacturing; For preventing that flue gas is from porcelain core C and shell nut b clearance leakage; Adopt the pressure riveting, this pressure is pressed into circular-arc X3 along the direction shown in the H with original upright housing shirt rim, thereby makes porcelain core C and shell nut b faying face X2 sealing.The spark-plug porcelain C and the flue gas contact jaw of current circulation are no glaze section, and non-flue gas contact jaw is viewed and admired needs for the glaze section is arranged, and does a fatal shortcoming like this; When that is exactly engine explosion acting; The high pressure sour gas and the carbon black that produce constantly infiltrate in the ceramic capillary, and after use a period of time, the ceramic insulation performance constantly descends; Final direct short-circuit, the spark plug life termination.
According to the how tame dealer of repair shop reaction, spark plug dolly shop that used and rag and bone man are reluctant to purchase, and reason is that metal is only purchased by metal recovery company, because spark is plugged with pottery, due to being difficult for again taking out.
More than all explanations, there is irrational place in the spark plug design manufacturing process of market circulation now, causes the wasting of resources, and is both uneconomical, also not environmental protection.
[utility model content]
But the utility model purpose is to have overcome deficiency of the prior art and the spark plug that provides a kind of repeated disassembled and assembled to clean, recycle.
In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposal:
But a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses; It is characterized in that including the porcelain core 3 of insulation, be provided with central electrode 7, be provided with nut 1 in the upper end of porcelain core 3 in the inside of porcelain core 3; Be provided with the spray point 10 that is connected with central electrode 7 in the lower end of porcelain core 3; Be arranged with shell 9 in the bottom of porcelain core 3, be provided with grounding electrode 11, be arranged with on the porcelain core 3 and can shell 9 be fixed on the clamp nut 4 on the porcelain core 3 in shell 9 lower ends.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that being provided with external screw thread in the upper end of said shell 9, on described clamp nut 4, is provided with internal thread, and external screw thread is connected with screw-internal thread fit.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that being provided with internal thread in the upper end of said shell 9, on described clamp nut 4, is provided with external screw thread, and internal thread and external screw thread are connected.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that on porcelain core 3, shell 9, being provided with the sealing surface 15 of mutual sealing, and sealing face 15 is taper or flat shoulder shape structure; Described shell 9 middle parts are provided with the secondary sealing area 14 with cylinder seal, and this secondary sealing area 14 is taper or flat shoulder shape structure.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that being provided with the steam vent 13 that prevents that air rebounds in spray point 10 is when mounted by the hole at the end outer surface that central electrode 7 is provided with spray point 10.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses; It is characterized in that being provided with assembly cavity 16 in porcelain core 3 upper ends; Be provided with snap ring 6 in assembly cavity 16 bottoms; The circle sides are blocked central electrode 7 in the snap ring 6, and snap ring 6 cylindrical sides are blocked porcelain core 3, all are provided with at the center bore inner wall and the outer surface of porcelain core 3 and prevent that flue dust infiltration porcelain core 3 holes from influencing the glaze layer in useful life.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that in assembly cavity 16, also is provided with spring 17 on the snap ring 6, is provided with the head pad 2 that prevents to damage porcelain core 3 in the upper end of spring 17.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that described clamp nut 4 is the polygonal nut structure.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that being provided with resistance 12 at the middle part of central electrode 7.
But aforesaid a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and it is characterized in that between clamp nut 4 and porcelain core 3, being provided with preventing that the dynamic pressure that produces in porcelain core clamp nut 4 spinning processes from damaging the middle part pad 8 of porcelain core 3.
The utility model compared with prior art has following advantage:
The utility model adopts clamp nut that shell is fixed on the porcelain core.When spark plug uses for a long time; During the full charcoal dirt of cavity inner product, this moment is from the engine removal spark plug, and one blocks the spark-plug shell nut to spanner; Another spanner unscrews the porcelain core clamp nut; Take out the porcelain assembly and clean, dry or dry the porcelain assembly is reloaded shell also disassembly, cleaning of central electrode in case of necessity with liquid detergent, the porcelain core clamp nut of screwing, spark plug be operate as normal again just.
Under the normal operating position; But the spark plug repeated disassembled and assembled is more than 10 times; Each about 6～100,000 kilometers total kilometrages are about 60～1,000,000 kilometers; Use the utility model spark plug, automobile will need not to change spark plug throughout one's life again, from then on take leave of because of the violent shake of spark plug failure automobile can not cruising or the worries of midway casting anchor.
[description of drawings]
Fig. 1 is the sketch map of the utility model embodiment 1;
Fig. 2 is the sketch map of the utility model embodiment 2;
Fig. 3 is the sketch map of snap ring;
Fig. 4 is that the sealing surface of the utility model porcelain core and shell is the pyramidal structure sketch map;
Fig. 5 is that the sealing surface of the utility model porcelain core and shell is flat shoulder shape structural representation;
Fig. 6 is that the sealing of the utility model shell and cylinder is the pyramidal structure sketch map;
Fig. 7 is the sketch map of prior art.
[embodiment]
Below in conjunction with accompanying drawing the utility model is described in detail:
But a kind of repeated disassembled and assembled is cleaned the durable spark plug that uses, and includes the porcelain core 3 of insulation, is provided with central electrode 7 in the inside of porcelain core 3.Be provided with resistance 12 at the middle part of central electrode 7.Be provided with nut 1 in the upper end of porcelain core 3.Be provided with the spray point 10 that is connected with central electrode 7 in the lower end of porcelain core 3.Be arranged with shell 9 in the bottom of porcelain core 3.Be provided with grounding electrode 11 in shell 9 lower ends.The sparking of under the situation that is connected to 10,000 volts of above high-tension electricities, can discharging of grounding electrode 11 and spray point 10 makes engine start.
Be arranged with on the porcelain core 3 and can shell 9 be fixed on the clamp nut 4 on the porcelain core 3.Make clamp nut 4 can realize easily shell 9 is fixed on porcelain core 3, also can realize easily shell 9 is pulled down porcelain core 3, shell 9 and porcelain core 3 are cleaned.
As one of the utility model preferred embodiment, be provided with external screw thread in the upper end of said shell 9, on described clamp nut 4, be provided with internal thread, external screw thread is connected with screw-internal thread fit.As shown in the figure.
As two of the utility model preferred embodiment, be provided with internal thread in the upper end of said shell 9, on described clamp nut 4, be provided with external screw thread, internal thread and external screw thread are connected.As shown in the figure.
As shown in the figure, on porcelain core 3, shell 9, be provided with the sealing surface 15 of mutual sealing, sealing face 15 is taper or flat shoulder shape structure.
As shown in the figure, be provided with the steam vent 13 that prevents that air rebounds in spray point 10 is when mounted by the hole at the end outer surface that central electrode 7 is provided with spray point 10.
As shown in the figure, be provided with assembly cavity 16 in porcelain core 3 upper ends, be provided with snap ring 6 in assembly cavity 16 bottoms, the circle side is blocked central electrode 7 in the snap ring 6, and snap ring 6 cylindrical sides are blocked porcelain core 3.Promptly for not and then rotation of central electrode 7 in the nut 1 turn-knob process; The circle side is blocked central electrode in the snap ring of in assembly cavity, placing 6, and the cylindrical side is blocked porcelain core, during nut 1 turn-knob; Central electrode 7 can only be done axial motion and can not radially rotate; For preventing that flue dust from infiltrating porcelain core 3 holes and influence useful life, though porcelain core 3 centre bores or all outer surfaces, whole glazings.
As the optimal way of present embodiment, in assembly cavity 16, also be provided with spring 17 on the snap ring 6, be provided with the head pad 2 that prevents to damage porcelain core 3 in the upper end of spring 17.That is, for the dynamic pressure that prevents to produce in the nut rotary course damages porcelain core 3, the dynamic pressure that head pad 6 can make turn-knob nut 1 produce changes comparatively safe static pressure into, effectively prevents to damage porcelain core 3.And spark plug is heated, and rear center's electrode expands, head pad 2 tension force cause central electrode 7 loosening inadequately, so be provided with spring 17, increases enough pretightning forces.
As the optimal way of present embodiment, described clamp nut 4 is the polygonal nut structure.
As the optimal way of present embodiment, described shell 9 middle parts are provided with the secondary sealing area 14 with cylinder seal, and this secondary sealing area 14 is taper or flat shoulder shape structure.
As the optimal way of present embodiment,, between clamp nut 4 and porcelain core 3, be provided with middle part pad 8, so that the dynamic pressure that produces in turn-knob porcelain core clamp nut 4 processes is converted into static pressure for the dynamic pressure that prevents to produce in porcelain core clamp nut 4 spinning processes damages porcelain core 3.
For spark plug with cold start requirement; Resistance can be adorned in the middle part of electrode; The tungsten or the tungsten alloy spray point of heat-resistant, wear-resistant installed in the bottom of electrode, and high-tension electricity produces spark or electric arc through this spray point and grounding electrode gap, lights the automobile gaseous mixture and promotes the piston acting.For preventing that air from stoping spray point to insert, and opens air drain hole at the other end of spray point jack.
Nut, central electrode, snap ring, porcelain core are assembled into a porcelain sub-assembly, and this assembly relies on the conical surface of the porcelain core conical surface and shell under the effect of porcelain core clamp nut spinning, and the porcelain core and shell two conical surfaces are constantly compressed up to sealing.The utility model ceramic core compression nut mounted on the arc only as Chi structure, rather than the traditional spark plug, like a ceramic core and shell sealed rivet buckle.
Spark plug through spanner turn-knob shell nut, relies on outer casing screw to screw in the engine cylinder when mounted, and makes spark plug and engine sealing through bottom gasket.For preventing that the acid conduction of engine flue dust from constantly infiltrating in the porcelain core hole, and though porcelain core centre bore or outer surface, whole glazing glaze, thus effectively prolong its useful life.
When the influence of carbon deposit incrustation is used in the cavity; Can unscrew porcelain core clamp nut 4, extract porcelain core 3 out, clean cavity and the charcoal above porcelain core dirt; Can also unscrew nut 1 in case of necessity; After extracting central electrode 7 cleanings out central electrode 7 is put in back, so repeatedly, thereby reach the purpose that can be repeatedly used.
Claims (10)
1. but a repeated disassembled and assembled is cleaned the durable spark plug that uses; It is characterized in that including the porcelain core (3) of insulation, be provided with central electrode (7), be provided with nut (1) in the upper end of porcelain core (3) in the inside of porcelain core (3); Be provided with the spray point (10) that is connected with central electrode (7) in the lower end of porcelain core (3); Be arranged with shell (9) in the bottom of porcelain core (3), be provided with grounding electrode (11), can shell (9) be fixed on the clamp nut (4) on the porcelain core (3) being arranged with on the porcelain core (3) in shell (9) lower end.
2. but a kind of repeated disassembled and assembled according to claim 1 is cleaned the durable spark plug that uses, and it is characterized in that being provided with external screw thread in the upper end of said shell (9), on described clamp nut (4), is provided with internal thread, and external screw thread is connected with screw-internal thread fit.
3. but a kind of repeated disassembled and assembled according to claim 1 is cleaned the durable spark plug that uses, and it is characterized in that being provided with internal thread in the upper end of said shell (9), on described clamp nut (4), is provided with external screw thread, and internal thread and external screw thread are connected.
4. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses, and it is characterized in that on porcelain core (3), shell (9), being provided with the sealing surface (15) of mutual sealing, and sealing face (15) is taper or flat shoulder shape structure; Described shell (9) middle part is provided with the secondary sealing area (14) with cylinder seal, and this secondary sealing area (14) is taper or flat shoulder shape structure.
5. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses, and it is characterized in that being provided with the steam vent (13) that prevents that air rebounds in spray point (10) is when mounted by the hole at the end outer surface that central electrode (7) is provided with spray point (10).
6. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses; It is characterized in that being provided with assembly cavity (16) in porcelain core (3) upper end; Be provided with snap ring (6) in assembly cavity (16) bottom; The circle side is blocked central electrode (7) in the snap ring (6), and snap ring (6) cylindrical side is blocked porcelain core (3), all is provided with at the center bore inner wall and the outer surface of porcelain core (3) and prevents that flue dust infiltration porcelain core (3) hole from influencing the glaze layer in useful life.
7. but a kind of repeated disassembled and assembled according to claim 6 is cleaned the durable spark plug that uses, and it is characterized in that in assembly cavity (16), also being provided with spring (17) on the snap ring (6), is provided with the head pad (2) that prevents to damage porcelain core (3) in the upper end of spring (17).
8. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses, and it is characterized in that described clamp nut (4) is the polygonal nut structure.
9. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses, and it is characterized in that being provided with resistance (12) at the middle part of central electrode (7).
10. but a kind of repeated disassembled and assembled according to claim 1 and 2 is cleaned the durable spark plug that uses, and it is characterized in that between clamp nut (4) and porcelain core (3), being provided with preventing that the dynamic pressure that produces in porcelain core clamp nut (4) spinning process from damaging the middle part pad (8) of porcelain core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120339966XU CN202231304U (en) | 2011-09-10 | 2011-09-10 | Durable spark plug capable of being repeatedly disassembled, assembled and cleaned for use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120339966XU CN202231304U (en) | 2011-09-10 | 2011-09-10 | Durable spark plug capable of being repeatedly disassembled, assembled and cleaned for use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231304U true CN202231304U (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120339966XU Expired - Lifetime CN202231304U (en) | 2011-09-10 | 2011-09-10 | Durable spark plug capable of being repeatedly disassembled, assembled and cleaned for use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386562A (en) * | 2011-09-10 | 2012-03-21 | 李德国 | Durable spark plug |
| CN106762331A (en) * | 2016-12-16 | 2017-05-31 | 华中科技大学 | A kind of microwave radiation technology plug ignition method and its integrating device |
-
2011
- 2011-09-10 CN CN201120339966XU patent/CN202231304U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386562A (en) * | 2011-09-10 | 2012-03-21 | 李德国 | Durable spark plug |
| CN102386562B (en) * | 2011-09-10 | 2013-03-20 | 李德国 | Durable spark plug |
| CN106762331A (en) * | 2016-12-16 | 2017-05-31 | 华中科技大学 | A kind of microwave radiation technology plug ignition method and its integrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130320 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130320 |
|
| RGAV | Abandon patent right to avoid regrant |