CN214899331U - Spark plug with head not easy to break - Google Patents
Spark plug with head not easy to break Download PDFInfo
- Publication number
- CN214899331U CN214899331U CN202121009139.4U CN202121009139U CN214899331U CN 214899331 U CN214899331 U CN 214899331U CN 202121009139 U CN202121009139 U CN 202121009139U CN 214899331 U CN214899331 U CN 214899331U
- Authority
- CN
- China
- Prior art keywords
- spark plug
- fixedly connected
- screwed pipe
- insulator
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241001391944 Commicarpus scandens Species 0.000 title description 3
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000012212 insulator Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 235000003276 Apios tuberosa Nutrition 0.000 claims abstract description 5
- 235000010777 Arachis hypogaea Nutrition 0.000 claims abstract description 5
- 235000010744 Arachis villosulicarpa Nutrition 0.000 claims abstract description 5
- 244000133018 Panax trifolius Species 0.000 claims abstract description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 23
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000009711 regulatory function Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 239000000295 fuel oil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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- Spark Plugs (AREA)
Abstract
The utility model discloses a difficult cracked spark plug of head, including insulator, central electrode, ground nut and electrode conductor, the top fixedly connected with ground nut of insulator, the inside fixedly connected with electrode conductor of insulator, fixedly connected with metal casing on the lateral wall of insulator, and metal casing's bottom fixedly connected with screwed pipe, be provided with the adjustment structure on the lateral wall of screwed pipe, the bottom of screwed pipe is provided with conductive structure. The utility model discloses a threaded connection between adjustable ring and the screwed pipe, rotatory adjustable ring can adjust the position of adjustable ring on the screwed pipe outer wall, and length in the combustion chamber is filled in to indirect regulation screwed pipe, has realized the adjustment to spark plug mounting dimension, has improved the suitability of spark plug, and the spring has elasticity, can utilize self elasticity to give adjustable ring reaction force, avoids the adjustable ring to take place the phenomenon of removal to make the spark plug have regulatory function.
Description
Technical Field
The utility model relates to the technical field of auto-parts, specifically be a difficult cracked spark plug of head.
Background
With the continuous development of society, the automobile manufacturing industry has been developed vigorously, the spark plug is an important element in the automobile engine, the spark plug is used for discharging pulse high voltage electricity sent by a high voltage lead, air between two electrodes of the spark plug is punctured, electric sparks are generated to ignite mixed gas in a cylinder, the gas is combusted to generate explosion to push a piston to move, and power is provided for an automobile, but the existing spark plug has many problems or defects:
in practical use of the conventional spark plug, the size of the spark plug is different, the spark plug needs to be replaced by different models, the use is not flexible enough, and the applicability of the spark plug is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a difficult cracked spark plug of head to provide the not good problem of spark plug suitability in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a difficult cracked spark plug of head, includes insulator, center electrode, ground nut and electrode conductor, the top fixedly connected with ground nut of insulator, the inside fixedly connected with electrode conductor of insulator, and electrode conductor's bottom fixedly connected with center electrode, fixedly connected with metal casing on the lateral wall of insulator, and metal casing's bottom fixedly connected with screwed pipe, be provided with the adjustment structure on the lateral wall of screwed pipe, the adjustment structure includes adjustable ring, rubber pad and spring, adjustable ring swing joint is on the lateral wall of screwed pipe, the bottom of adjustable ring is provided with the rubber pad, the top of adjustable ring is provided with the spring, the bottom of screwed pipe is provided with conducting structure.
Preferably, a nickel plating layer is arranged on the outer side wall of the metal shell, and the nickel plating layer is uniformly distributed on the outer side wall of the metal shell.
Preferably, the inside of adjustable ring is provided with the internal thread that cooperatees with the screwed pipe, constitute threaded connection between adjustable ring and the screwed pipe.
Preferably, the diameter of the spring is larger than that of the threaded pipe, and the diameter of the spring is smaller than that of the adjusting ring.
Preferably, the conductive structure comprises a side electrode, an iridium contact block, an installation groove and a bump, the side electrode is fixedly connected to the bottom end of the threaded pipe, the iridium contact block is fixedly connected to the bottom end of the side electrode, the installation groove is formed in the iridium contact block, and the bump is arranged on one side of the iridium contact block.
Preferably, three groups of side electrodes are arranged, the side electrodes are distributed at the bottom end of the threaded pipe in an annular mode, and a welding integrated structure is formed between the side electrodes and the iridium contact block.
Compared with the prior art, the beneficial effects of the utility model are that: the spark plug with the head not easy to break is reasonable in structure and has the following advantages:
(1) the adjusting ring is connected with the threaded pipe through threads, the adjusting ring is rotated to adjust the position of the adjusting ring on the outer wall of the threaded pipe, the length of the threaded pipe inserted into the combustion chamber is indirectly adjusted, the adjustment of the installation size of the spark plug is realized, the applicability of the spark plug is improved, the spring has elasticity, the reaction force can be given to the adjusting ring by utilizing the elasticity of the spring, the phenomenon that the adjusting ring moves is avoided, and the spark plug has an adjusting function;
(2) the outer side wall of the metal shell is processed by adopting a nickel plating process, and the nickel plating layer is uniformly distributed on the outer wall of the metal shell, so that an extremely thin passive film can be rapidly generated on the surface of the metal shell, and the metal shell can resist the corrosion of atmosphere, alkali and certain acid, has the oxidation and corrosion resistant functions, and prolongs the service life of the spark plug;
(3) the three groups of side electrodes are annularly distributed around the central electrode, so that the ignition efficiency is improved, the burning time of mixed gas is greatly shortened, the fuel oil mixed gas is fully burnt, the generation of carbon deposition is reduced, the iridium contact block is made of an iridium material, the iridium material has a high melting point and super-strong corrosion resistance, the phenomenon that the head is affected by high temperature to cause cracking can be avoided, the service life of the spark plug is prolonged, and the spark plug has a fracture prevention function.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
fig. 3 is a schematic view of the conductive structure of the present invention from the bottom;
fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.
In the figure: 1. an insulator; 2. a metal housing; 3. adjusting the structure; 301. an adjusting ring; 302. a rubber pad; 303. a spring; 4. a threaded pipe; 5. a center electrode; 6. a conductive structure; 601. a side electrode; 602. an iridium contact block; 603. mounting grooves; 604. salient points; 7. a grounding nut; 8. an electrode conductor; 9. and (4) plating a nickel layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a spark plug with a head not prone to fracture comprises an insulator 1, a center electrode 5, a grounding nut 7 and an electrode conductor 8, wherein the grounding nut 7 is fixedly connected to the top end of the insulator 1, the electrode conductor 8 is fixedly connected to the inside of the insulator 1, the center electrode 5 is fixedly connected to the bottom end of the electrode conductor 8, a metal shell 2 is fixedly connected to the outer side wall of the insulator 1, a nickel-plated layer 9 is arranged on the outer side wall of the metal shell 2, and the nickel-plated layer 9 is uniformly distributed on the outer side wall of the metal shell 2;
specifically, as shown in fig. 2 and 4, when in use, the outer side wall of the metal shell 2 is processed by a nickel plating process, and the nickel plating layer 9 is uniformly distributed on the outer wall of the metal shell 2, so that an extremely thin passivation film can be rapidly generated on the surface of the metal shell 2, and the metal shell 2 can resist corrosion of atmosphere, alkali and certain acids, so that the metal shell 2 has oxidation resistance and corrosion resistance;
the bottom end of the metal shell 2 is fixedly connected with a threaded pipe 4, the outer side wall of the threaded pipe 4 is provided with an adjusting structure 3, the adjusting structure 3 comprises an adjusting ring 301, a rubber pad 302 and a spring 303, the adjusting ring 301 is movably connected to the outer side wall of the threaded pipe 4, the bottom end of the adjusting ring 301 is provided with the rubber pad 302, and the top end of the adjusting ring 301 is provided with the spring 303;
the adjusting ring 301 is internally provided with internal threads matched with the threaded pipe 4, the adjusting ring 301 is in threaded connection with the threaded pipe 4, the diameter of the spring 303 is larger than that of the threaded pipe 4, the diameter of the spring 303 is smaller than that of the adjusting ring 301, the spring 303 has elasticity, and can utilize the elasticity of the spring to provide reaction force for the adjusting ring 301, so that the phenomenon that the adjusting ring 301 moves is avoided;
specifically, as shown in fig. 1 and fig. 2, when in use, the adjusting ring 301 is rotated to adjust the position of the adjusting ring 301 on the outer wall of the threaded pipe 4, so as to indirectly adjust the length of the threaded pipe 4 plugged into the combustion chamber, thereby realizing the adjustment of the installation size of the spark plug and improving the applicability of the spark plug;
a conductive structure 6 is arranged at the bottom end of the threaded pipe 4, the conductive structure 6 comprises a side electrode 601, an iridium contact block 602, a mounting groove 603 and a bump 604, the side electrode 601 is fixedly connected to the bottom end of the threaded pipe 4, the iridium contact block 602 is fixedly connected to the bottom end of the side electrode 601, the mounting groove 603 is formed in the iridium contact block 602, and the bump 604 is arranged on one side of the iridium contact block 602;
the side electrodes 601 are provided with three groups, the side electrodes 601 are annularly distributed at the bottom end of the threaded pipe 4, a welding integrated structure is formed between the side electrodes 601 and the iridium contact block 602, and a laser welding process is adopted between the side electrodes 601 and the iridium contact block 602, so that the spark plug gap abrasion is lower, the service life is prolonged, and the durability is higher;
specifically, as shown in fig. 1, 2 and 3, when in use, the three sets of side electrodes 601 are annularly distributed around the central electrode 5, so that the ignition efficiency is improved, the combustion time of the mixed gas is greatly shortened, the fuel oil mixed gas is fully combusted, and the generation of carbon deposition is reduced.
The working principle is as follows: when the spark plug is used, firstly, the spark plug is taken out, when the size of the spark plug needs to be adjusted, the adjusting ring 301 is rotated, the adjusting ring 301 is adjusted to a proper position, then the spark plug is installed in an automobile engine, the spring 303 has elasticity, the elastic force of the spring can be used for giving a reaction force to the adjusting ring 301, the phenomenon that the adjusting ring 301 moves is avoided, and the applicability of the spark plug is realized;
secondly, when the spark plug is ignited, an electric arc is generated between the central electrode 5 and the iridium contact block 602 to ignite fuel oil mixed gas in a combustion chamber of the engine, and the three groups of side electrodes 601 are annularly distributed around the central electrode 5, so that the ignition efficiency is improved, the combustion time of the mixed gas is greatly shortened, the fuel oil mixed gas is fully combusted, the generation of carbon deposition is reduced, meanwhile, the iridium contact block 602 is made of iridium, the high temperature in the combustion chamber can be borne, and the phenomenon that the head of the spark plug is cracked due to the influence of the high temperature is avoided;
finally, the outer side wall of the metal shell 2 is processed by adopting a nickel plating process, the nickel plating layer 9 is uniformly distributed on the outer wall of the metal shell 2, an extremely thin passive film can be rapidly generated on the surface of the metal shell 2, and the metal shell 2 can resist corrosion of atmosphere, alkali and certain acid, so that the metal shell 2 has oxidation resistance and corrosion resistance, and finally completes the work.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A spark plug with a head portion that is not easily broken, comprising an insulator (1), a center electrode (5), a ground nut (7), and an electrode conductor (8), characterized in that: the top end of the insulator (1) is fixedly connected with a grounding nut (7), the inside of the insulator (1) is fixedly connected with an electrode conductor (8), the bottom end of the electrode conductor (8) is fixedly connected with a central electrode (5), the outer side wall of the insulator (1) is fixedly connected with a metal shell (2), and the bottom end of the metal shell (2) is fixedly connected with a threaded pipe (4), the outer side wall of the threaded pipe (4) is provided with an adjusting structure (3), the adjusting structure (3) comprises an adjusting ring (301), a rubber cushion (302) and a spring (303), the adjusting ring (301) is movably connected on the outer side wall of the threaded pipe (4), the bottom of adjustable ring (301) is provided with rubber pad (302), the top of adjustable ring (301) is provided with spring (303), the bottom of screwed pipe (4) is provided with electrically conductive structure (6).
2. The spark plug of claim 1, wherein said head portion is not susceptible to fracture, and wherein: the outer side wall of the metal shell (2) is provided with a nickel plating layer (9), and the nickel plating layer (9) is uniformly distributed on the outer side wall of the metal shell (2).
3. The spark plug of claim 1, wherein said head portion is not susceptible to fracture, and wherein: the inside of adjustable ring (301) is provided with the internal thread with screwed pipe (4) matched with, constitute threaded connection between adjustable ring (301) and screwed pipe (4).
4. The spark plug of claim 1, wherein said head portion is not susceptible to fracture, and wherein: the diameter of the spring (303) is larger than that of the threaded pipe (4), and the diameter of the spring (303) is smaller than that of the adjusting ring (301).
5. The spark plug of claim 1, wherein said head portion is not susceptible to fracture, and wherein: conductive structure (6) are including side electrode (601), iridium contact block (602), mounting groove (603) and bump (604), side electrode (601) fixed connection is in the bottom of screwed pipe (4), the bottom fixedly connected with iridium contact block (602) of side electrode (601), and the inside of iridium contact block (602) is provided with mounting groove (603), one side of iridium contact block (602) is provided with bump (604).
6. The spark plug of claim 5, wherein said head portion is not susceptible to fracture, and wherein: the side electrodes (601) are provided with three groups, the side electrodes (601) are distributed at the bottom end of the threaded pipe (4) in an annular mode, and a welding integrated structure is formed between the side electrodes (601) and the iridium contact block (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121009139.4U CN214899331U (en) | 2021-05-12 | 2021-05-12 | Spark plug with head not easy to break |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121009139.4U CN214899331U (en) | 2021-05-12 | 2021-05-12 | Spark plug with head not easy to break |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214899331U true CN214899331U (en) | 2021-11-26 |
Family
ID=78946670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121009139.4U Expired - Fee Related CN214899331U (en) | 2021-05-12 | 2021-05-12 | Spark plug with head not easy to break |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214899331U (en) |
-
2021
- 2021-05-12 CN CN202121009139.4U patent/CN214899331U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |