CN208596867U - A kind of ignition mechanism with thread spark plug cooperation - Google Patents
A kind of ignition mechanism with thread spark plug cooperation Download PDFInfo
- Publication number
- CN208596867U CN208596867U CN201820624947.3U CN201820624947U CN208596867U CN 208596867 U CN208596867 U CN 208596867U CN 201820624947 U CN201820624947 U CN 201820624947U CN 208596867 U CN208596867 U CN 208596867U
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- China
- Prior art keywords
- spark plug
- thread
- insulation sleeve
- atomizer
- plug body
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of ignition mechanisms with thread spark plug cooperation, comprising: ignition coil sheath and spark plug body, ignition coil sheath are equipped with mounting hole；Spark plug body includes centrally located core；Insulation sleeve is sleeved on core；Shell is sleeved on insulation sleeve, and shell end is equipped with external screw thread；Insulation sleeve and mounting hole are interference fitted, and the internal diameter of mounting hole is 1 ± 0.3mm smaller than the outer diameter of insulation sleeve；Lateral electrode is arranged on spark plug body；Atomizer, spark plug body and atomizer are installed on engine cylinder body；Externally threaded screw thread stop is fixed on thread periphery direction with the relative position of lateral electrode；When spark plug body and atomizer are mounted on engine cylinder body, lateral electrode face atomizer controls ignition coil and spark plug matching relationship, it is ensured that installation and dismantling are easy, and reduce the risk of engine fire, improve atomizing effect.
Description
Technical field
The utility model belongs to technical field of automobile engine more particularly to a kind of dynamo exploder with thread spark plug cooperation
Structure.
Background technique
In the process of implementing the utility model, the inventor finds that the existing technology has at least the following problems: mainstream at present
Engine be all using plug ignition, ignition coil by high-energy ignition energy transmission to spark plug, by spark-discharge
Combustion gasses, so that engine does work, the cooperation of spark plug and ignition coil is interference fit, if the sheath of ignition coil and fire
When Hua Sai matches reasonable, after long-time, ignition coil, which is replaced, or maintenance needs remove ignition coil is, due to ignition coil
With unreasonable, ignition coil head and the sheaths separate when will lead to disassembly of spark plug cooperation, installation and dismantling all can be highly difficult,
Can be because assembly is not in place to cause engine fire, when fixed using spark plug, due to process aspect when serious, spark
The stop of plug screw thread will not be forced on specific position, and during installation, meeting spark-plug side electrode may cause backwards to fuel injector
Atomizing effect is bad after fuel injector oil spout.
Utility model content
The technical problem to be solved by the utility model is to provide one kind to control ignition coil and spark plug matching relationship,
Ensure to install and disassemble and be easy, reduce the risk of engine fire, improves the point with thread spark plug cooperation of atomizing effect
Lighter structure.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is a kind of match with thread spark plug
The ignition mechanism of conjunction, comprising:
Ignition coil sheath and spark plug body, the ignition coil sheath are equipped with mounting hole；
The spark plug body includes
Centrally located core；
Insulation sleeve is sleeved on the core；
Shell is sleeved on the insulation sleeve, and the shell end is equipped with external screw thread；
The insulation sleeve and the mounting hole are interference fitted, and the internal diameter of the mounting hole is smaller than the outer diameter of the insulation sleeve by 1
±0.3mm；
Lateral electrode is arranged on the spark plug body；
Atomizer, the spark plug body and atomizer are installed on engine cylinder body；The externally threaded screw thread stops
Relative position of the point on thread periphery direction with the lateral electrode is fixed；When spark plug body and atomizer are mounted on engine
When on cylinder body, atomizer described in the lateral electrode face.
The insulation sleeve is staircase structural model, and the diameter for being inserted into the end of the ignition coil sheath is less than the mounting hole
Diameter.
The shell periphery is equipped with tightening portion, and the tightening portion is outer hexagonal structure.
On thread periphery direction, the externally threaded screw thread stop is overlapped with the lateral electrode.
It further include washer, the washer is sleeved on the external screw thread.
A technical solution in above-mentioned technical proposal has the following advantages that or beneficial effect, ignition coil are matched with spark plug
After conjunction relationship is controlled, it is ensured that installation and dismantling are easy, the wind of engine fire caused by reducing because of the big problem of magnitude of interference
Danger, during installation, the position of lateral electrode is determined by the position of screw thread stop, guarantees the position of side electrode spark plug against oil spout
Device has good promotion to the oil atomizing effect of fuel injector.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ignition coil of the engine provided in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the spark plug of lateral electrode orientation；
The mounting structure schematic diagram for the spark plug that the lateral electrode that Fig. 3 is Fig. 2 orients；
Label in above-mentioned figure is equal are as follows: 1, ignition coil sheath, 11, mounting hole, and 2, spark plug body, 21, core, 22,
Insulation sleeve, 23, shell, 24, lateral electrode, 3, screw thread stop, 4, washer, 5, atomizer.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to Fig. 1-3, a kind of ignition mechanism with thread spark plug cooperation, comprising:
Ignition coil sheath and spark plug body, ignition coil sheath are equipped with mounting hole；
Spark plug body includes
Centrally located core；
Insulation sleeve is sleeved on core；
Shell is sleeved on insulation sleeve, and shell end is equipped with external screw thread；
Insulation sleeve and mounting hole are interference fitted, and the internal diameter of mounting hole is 1 ± 0.3mm smaller than the outer diameter of insulation sleeve；
Lateral electrode is arranged on spark plug body；
Atomizer, spark plug body and atomizer are installed on engine cylinder body；Externally threaded screw thread stop is in screw thread
It is fixed in peripheral direction with the relative position of lateral electrode；When spark plug body and atomizer are mounted on engine cylinder body, side
Electrode face atomizer.
Spark-plug thread dead-centre position, which reaches, to be required, while must also guarantee that cylinder cap spark plug mounting hole internal screw thread originates point
It sets on a certain position, it will guarantee that the position of side electrode spark plug against fuel injector, reaches expected atomization to a certain extent
Effect.
Insulation sleeve is staircase structural model, insertion ignition lead encircle for protection set end diameter be less than mounting hole diameter.
Shell periphery is equipped with tightening portion, and tightening portion is outer hexagonal structure.
On thread periphery direction, externally threaded screw thread stop is overlapped with lateral electrode.
It further include washer, washer is sleeved on external screw thread.
After above-mentioned structure, after ignition coil is controlled with spark plug matching relationship, it is ensured that installation and dismantling are easy,
The risk of engine fire caused by reducing because of the big problem of magnitude of interference is determined by the position of screw thread stop during installation
The position of lateral electrode guarantees that against fuel injector, there is well the oil atomizing effect of fuel injector in the position of side electrode spark plug
It is promoted.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as the various unsubstantialities carried out using the method concept and technical solution of the utility model change
Into, or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the utility model
Protection scope within.
Claims (4)
1. a kind of ignition mechanism of the cooperation with thread spark plug comprising:
Ignition coil sheath and spark plug body, the ignition coil sheath are equipped with mounting hole；
The spark plug body includes
Centrally located core；
Insulation sleeve is sleeved on the core；
Shell is sleeved on the insulation sleeve, and the shell end is equipped with external screw thread；
The insulation sleeve and the mounting hole are interference fitted, and the internal diameter of the mounting hole is smaller than the outer diameter of the insulation sleeve by 1 ±
0.3mm；
Lateral electrode is arranged on the spark plug body；
Atomizer, the spark plug body and atomizer are installed on engine cylinder body；The externally threaded screw thread stop exists
Relative position on thread periphery direction with the lateral electrode is fixed；When spark plug body and atomizer are mounted on engine cylinder body
When upper, atomizer described in the lateral electrode face.
2. the ignition mechanism cooperated as described in claim 1 with thread spark plug, which is characterized in that the insulation sleeve is step
Formula structure, the diameter for being inserted into the end of the ignition coil sheath are less than the diameter of the mounting hole.
3. the ignition mechanism cooperated as claimed in claim 2 with thread spark plug, which is characterized in that the shell periphery is equipped with
Tightening portion, the tightening portion are outer hexagonal structure.
4. the ignition mechanism cooperated as claimed in claim 3 with thread spark plug, which is characterized in that in thread periphery direction
On, the externally threaded screw thread stop is overlapped with the lateral electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624947.3U CN208596867U (en) | 2018-04-28 | 2018-04-28 | A kind of ignition mechanism with thread spark plug cooperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624947.3U CN208596867U (en) | 2018-04-28 | 2018-04-28 | A kind of ignition mechanism with thread spark plug cooperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596867U true CN208596867U (en) | 2019-03-12 |
Family
ID=65600233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820624947.3U Active CN208596867U (en) | 2018-04-28 | 2018-04-28 | A kind of ignition mechanism with thread spark plug cooperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596867U (en) |
-
2018
- 2018-04-28 CN CN201820624947.3U patent/CN208596867U/en active Active
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