CN210858960U - Double-ignition cylinder head of motorcycle engine - Google Patents
Double-ignition cylinder head of motorcycle engine Download PDFInfo
- Publication number
- CN210858960U CN210858960U CN201921749312.7U CN201921749312U CN210858960U CN 210858960 U CN210858960 U CN 210858960U CN 201921749312 U CN201921749312 U CN 201921749312U CN 210858960 U CN210858960 U CN 210858960U
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- electrode
- cylinder head
- head body
- ignition
- grounding
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Spark Plugs (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
A double-ignition cylinder head of motorcycle engine is composed of a cylinder head body, a spark plug screwed to the right side of combustion chamber of cylinder head body, and discharge electrodes symmetrically screwed to the left side of combustion chamber of cylinder head body. The discharge electrode comprises a grounding electrode in threaded connection with the cylinder head body and a high-voltage electrode penetrating through the inside of the grounding electrode, and an insulator is arranged between the grounding electrode and the high-voltage electrode; one end of the high-voltage electrode, which is positioned in the combustion chamber of the cylinder head body, and the grounding electrode post of the grounding electrode keep a discharge gap, and the other end of the high-voltage electrode extends out of the grounding electrode and is provided with a spherical conductive electrode post at the end part. The utility model discloses a set up discharge electrode on the cylinder head body to through discharge electrode and conductive electrode electric connection, realize the dual-ignition of engine, thereby improved the thermal efficiency of engine, and reduced exhaust pollutant. The utility model discloses change little, with low costs to current single ignition cylinder head, easily realize.
Description
Technical Field
The utility model belongs to the technical field of motorcycle engine technique and specifically relates to a two ignition cylinder heads of motorcycle engine are related to.
Background
As is known, the double-spark-plug ignition of the combustion chamber of the engine has great advantages, the double ignition can greatly reduce the propagation speed of flame, and the fuel mixture in the combustion chamber can be completely combusted, so that the heat efficiency is high, and exhaust pollutants are small. However, the cylinder head with dual spark plug ignition is difficult to implement due to the functional structure of the cylinder head.
The combustion chamber of the traditional cylinder head has compact structure, the front and the back are an intake valve and an exhaust valve, the left side is an air distribution cavity, and the right side is a spark plug. The second spark plug can be disposed only on the left side of the combustion chamber, but the conventional spark plug inevitably interferes with the distribution chamber if the second spark plug is disposed on the left side of the combustion chamber. If the engine is a chain air distribution engine, the traditional spark plug can interfere with a chain wheel of an air distribution cavity; in the case of a push rod air distribution engine, the traditional spark plug interferes with the push rod of the air distribution cavity.
For this reason, motorcycle engines are often ignited by a single spark plug for a long time, the thermal efficiency of motorcycle engines is always low, and exhaust pollutants are not well controlled.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough in the background art, the utility model discloses a double ignition cylinder head of motorcycle engine, its aim at: the double ignition of the engine is realized, the heat efficiency of the engine is improved, and exhaust pollutants are reduced.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a double-ignition cylinder head of motorcycle engine is composed of a cylinder head body, a spark plug screwed to the right side of combustion chamber of cylinder head body, and discharge electrodes symmetrically screwed to the left side of combustion chamber of cylinder head body.
The discharge electrode comprises a grounding electrode in threaded connection with the cylinder head body and a high-voltage electrode penetrating through the inside of the grounding electrode, and an insulator is arranged between the grounding electrode and the high-voltage electrode; one end of the high-voltage electrode, which is positioned in the combustion chamber of the cylinder head body, and the grounding electrode post of the grounding electrode keep a discharge gap, and the other end of the high-voltage electrode extends out of the grounding electrode and is provided with a spherical conductive electrode post at the end part.
The cylinder head body is further provided with a conductive electrode, the conductive electrode comprises an insulating electrode sleeve in threaded connection with the cylinder head body, a conductive electrode column penetrates through the insulating electrode sleeve, one end of the conductive electrode column is connected with an ignition device, and the other end of the conductive electrode column is electrically connected with the spherical conductive electrode column.
In order to further improve the technical scheme, the conductive electrode is arranged on one side of the exhaust passage of the cylinder head body, a metal threaded sleeve is connected to the outer circular surface of the insulating electrode sleeve, and the insulating electrode sleeve is in threaded connection with the metal threaded sleeve through the cylinder head body.
In order to further improve the technical scheme, the conductive electrode column is connected with a resistor.
In order to further improve the technical scheme, a ball socket corresponding to the spherical conductive electrode column is arranged at one end of the conductive electrode column, which is electrically connected with the spherical conductive electrode column.
Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:
the utility model discloses a set up discharge electrode on the cylinder head body to through discharge electrode and conductive electrode electric connection, realize the dual-ignition of engine, thereby improved the thermal efficiency of engine, and reduced exhaust pollutant.
The utility model discloses change little, with low costs to current single ignition cylinder head, easily realize.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the discharge electrode.
Fig. 3 is a schematic structural view of the connection of the conductive electrode and the discharge electrode.
In the figure: 1. a cylinder head body; 2. a discharge electrode; 2.1, grounding electrode; 2.2, a high-voltage electrode; 2.3, an insulator; 3. a conductive electrode; 3.1, insulating an electrode sleeve; 3.2, conducting electrode columns.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A double-ignition cylinder head of a motorcycle engine comprises a cylinder head body 1, a spark plug is screwed at the right side of a combustion chamber of the cylinder head body 1, and discharge electrodes 2 are symmetrically screwed at the left side of the combustion chamber of the cylinder head body 1, as shown in figure 1. The combustion chamber of the traditional cylinder head has compact structure, the front and the back are an intake valve and an exhaust valve, the left side is an air distribution chamber, and the right side is a spark plug, so that the second spark plug can only be arranged on the left side of the combustion chamber. However, if the second ignition plug is disposed on the left side of the combustion chamber, the conventional ignition plug inevitably interferes with the distribution sprocket of the distribution chamber. The discharge electrode 2 is screwed on the left side of the combustion chamber of the cylinder head body 1, and the length of the discharge electrode 2 is very short, so that the interference with a gas distribution chain wheel can be avoided.
As shown in fig. 2, the discharge electrode 2 includes a grounding electrode 2.1 screwed with the cylinder head body 1 and a high voltage electrode 2.2 penetrating the grounding electrode 2.1, and an insulator 2.3 is arranged between the grounding electrode 2.1 and the high voltage electrode 2.2; one end of the high-voltage electrode 2.2, which is positioned in the combustion chamber of the cylinder head body 1, and the grounding pole of the grounding electrode 2.1 keep a discharge gap, and the other end extends out of the grounding electrode 2.1 and is provided with a spherical conductive pole 2.21 at the end part. The discharge electrode 2 is used for high-voltage discharge ignition to a combustion chamber, wherein a grounding electrode 2.1 is connected with the cylinder head body 1 in a grounding way, and a spherical conductive electrode column 2.21 of the high-voltage electrode 2.2 is connected with a high-voltage conductive electrode 3.
As shown in fig. 3, the conductive electrode 3 is disposed on a side of the cylinder head body 1 facing the exhaust passage, a metal threaded bushing is connected to an outer circumferential surface of the insulating electrode bushing 3.1, and the insulating electrode bushing 3.1 is screwed with the cylinder head body 1 through the metal threaded bushing. A conductive electrode column 3.2 is arranged in the insulating electrode sleeve 3.1 in a penetrating way, one end of the conductive electrode column 3.2 is connected with an ignition device, and the other end is electrically connected with a spherical conductive electrode column 2.21. The discharge electrode 2 is electrically connected with the conductive electrode 3, so that the ignition device can be electrically connected with the discharge electrode 2, and the ignition device can perform high-voltage discharge ignition to the combustion chamber.
In order to ensure the electrical connection area, a ball socket corresponding to the spherical conductive electrode column 2.21 is disposed at one end of the conductive electrode column 3.2 electrically connected to the spherical conductive electrode column 2.21. In order to ensure the ignition performance of the electrode conducting column 3.2, a resistor is connected to the electrode conducting column 3.2.
As can be seen from the above, the discharge electrode 2 is provided on the cylinder head body 1, and the discharge electrode 2 is electrically connected to the conductive electrode 3, thereby achieving the dual ignition of the engine. The utility model discloses can improve the thermal efficiency of engine to reduce exhaust pollutant.
The part of the utility model not detailed is prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a double ignition cylinder head of motorcycle engine, includes cylinder head body (1), has the spark plug at the right side spiro union of cylinder head body (1) combustion chamber, characterized by: the left side of the combustion chamber of the cylinder head body (1) is symmetrically screwed with a discharge electrode (2);
the discharge electrode (2) comprises a grounding electrode (2.1) in threaded connection with the cylinder head body (1) and a high-voltage electrode (2.2) penetrating through the inside of the grounding electrode (2.1), and an insulator (2.3) is arranged between the grounding electrode (2.1) and the high-voltage electrode (2.2); one end of the high-voltage electrode (2.2) positioned in the combustion chamber of the cylinder head body (1) and a discharge gap is reserved between the high-voltage electrode and a grounding electrode column of the grounding electrode (2.1), the other end of the high-voltage electrode extends out of the grounding electrode (2.1), and a spherical electrode column (2.21) is arranged at the end part of the high-voltage electrode;
the cylinder head is characterized in that the cylinder head body (1) is further provided with a conductive electrode (3), the conductive electrode (3) comprises an insulating electrode sleeve (3.1) which is in threaded connection with the cylinder head body (1), a conductive electrode column (3.2) penetrates through the insulating electrode sleeve (3.1), one end of the conductive electrode column (3.2) is connected with an ignition device, and the other end of the conductive electrode column is electrically connected with the spherical conductive electrode column (2.21).
2. A dual-ignition cylinder head for a motorcycle engine as defined in claim 1, wherein: the conductive electrode (3) is arranged on one side of an exhaust passage of the cylinder head body (1), a metal thread sleeve is connected to the outer circular surface of the insulating electrode sleeve (3.1), and the insulating electrode sleeve (3.1) is in threaded connection with the cylinder head body (1) through the metal thread sleeve.
3. A dual-ignition cylinder head for a motorcycle engine as defined in claim 1, wherein: and the conductive electrode column (3.2) is connected with a resistor.
4. A dual-ignition cylinder head for a motorcycle engine as defined in claim 1, wherein: one end of the conductive electrode column (3.2) electrically connected with the spherical conductive electrode column (2.21) is provided with a ball socket corresponding to the spherical conductive electrode column (2.21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749312.7U CN210858960U (en) | 2019-10-18 | 2019-10-18 | Double-ignition cylinder head of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749312.7U CN210858960U (en) | 2019-10-18 | 2019-10-18 | Double-ignition cylinder head of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858960U true CN210858960U (en) | 2020-06-26 |
Family
ID=71308956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749312.7U Expired - Fee Related CN210858960U (en) | 2019-10-18 | 2019-10-18 | Double-ignition cylinder head of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858960U (en) |
-
2019
- 2019-10-18 CN CN201921749312.7U patent/CN210858960U/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 |
Granted publication date: 20200626 |