CN207131497U - Engine and cylinder head - Google Patents
Engine and cylinder head Download PDFInfo
- Publication number
- CN207131497U CN207131497U CN201720727930.6U CN201720727930U CN207131497U CN 207131497 U CN207131497 U CN 207131497U CN 201720727930 U CN201720727930 U CN 201720727930U CN 207131497 U CN207131497 U CN 207131497U
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- cylinder head
- engine
- spark plug
- cylinder
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine and cylinder head, the cylinder head of engine, spark plug is provided with the cylinder head and the cylinder head coordinates with a cylinder body, two spark plugs are installed in the cylinder head.During using cylinder head provided by the utility model, one cylinder head coordinates with a cylinder body, two spark plugs in cylinder head can light the mixed gas in combustion chamber, such two spark plugs light the mixed gas in same chamber, to ensure that the burning of the mixed gas in combustion chamber is more abundant, the efficiency of combustion of engine is improved, improves engine performance, and avoid the phenomenon of detonation, moreover it is possible to reduce exhaust emissions.In addition, the number of increase spark plug will not excessively increase the size of engine.
Description
Technical field
Technical field of engines is the utility model is related to, more specifically to a kind of engine and cylinder head.
Background technology
The operation principle of general engine is spark ignitor formula, as shown in figure 1, being set on the cylinder cap 01 of cylinder
There is spark plug 02, combustion chamber is formed between the bottom of cylinder head and cylinder inner wall and piston-top surface, spark plug 02 will can enter
The mixed gas entered in combustion chamber is lighted.But the flame transmission speed centered on spark plug 02 is limited, therefore vapour
The cylinder diameter of oil machine can not be too big, is easy for causing to burn insufficient, discharge difference more than 100mm and tends to have the phenomenon of detonation.In this way,
The general mode for using increase number of cylinders is to keep discharge capacity is inflexible to cross reduction cylinder diameter to optimize burning, but number of cylinders increases
It can cause that engine structure is complicated, number of parts is more, size of engine can also increase.
In summary, how can both improve the problem of large bore engine mixture combustion is insufficient, improve and start again
The performance of machine, and do not increase the size of engine excessively, it is current those skilled in the art's urgent problem.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of cylinder head of engine, the cylinder head
Structure design can both improve the problem of large bore engine mixture combustion is insufficient, improve the performance of engine again, and not
The size of excessive increase engine, second purpose of the present utility model are to provide a kind of engine for including above-mentioned cylinder head.
In order to reach above-mentioned first purpose, the utility model provides following technical scheme：
A kind of cylinder head of engine, spark plug is provided with the cylinder head and the cylinder head coordinates with a cylinder body,
Two spark plugs are installed, and two spark plugs are main spark plug and secondary spark plug respectively in the cylinder head.
Preferably, in the cylinder head of above-mentioned engine, there is angle between the main spark plug and secondary spark plug.
Preferably, in the cylinder head of above-mentioned engine, the main spark plug is arranged in combustion chamber corresponding to the cylinder head
Center.
Preferably, in the cylinder cap of above-mentioned engine, the engine is driven by chain or belt, and the secondary spark plug is located at
The side of the remote chain or belt of the center line of the cylinder cap.
Preferably, in the cylinder head of above-mentioned engine, the secondary spark plug is located at the center line of the cylinder head close to institute
State the side of exhaust valve.
A kind of engine, including as described above any one of cylinder head.
Spark plug is provided with the cylinder head of engine provided by the utility model, and two fire are installed in cylinder head
Hua Sai, two spark plugs are main spark plug and secondary spark plug respectively.Offer two mounting holes in cylinder head, main spark plug and
Secondary spark plug is fixed on two mounting holes of cylinder head respectively.And the cylinder head and a cylinder body cooperation, the i.e. cylinder
Two spark plugs covered can light the mixed gas in same chamber.During using cylinder head provided by the utility model,
One cylinder head coordinates with a cylinder body, and two spark plugs in cylinder head can light the gaseous mixture in same chamber
Body, such two spark plugs light the mixed gas in same chamber, to ensure that the mixed gas in cylinder combustion chamber is burnt
More fully, the efficiency of combustion of engine is improved, improves engine performance, and avoids the phenomenon of detonation, moreover it is possible to is reduced
Exhaust emissions.In addition, the number of increase spark plug will not excessively increase the size of engine.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of engine, and the engine includes multiple
Any of the above-described kind of cylinder head.Because above-mentioned cylinder head has above-mentioned technique effect, the engine with the cylinder head should also have
There is corresponding technique effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of cylinder head of the prior art；
Fig. 2 is the structural representation for the cylinder head that the utility model embodiment provides.
In Fig. 1：
01- cylinder head, 02- spark plugs；
In fig. 2：
The main spark plug of 1- cylinder head, 2-, 3- pair spark plugs.
Embodiment
First purpose of the present utility model be to provide a kind of cylinder head of engine, and the structure design of the cylinder head can
Both to improve the problem of large bore engine mixture combustion is insufficient, the performance of engine is improved again, and excessively increase is not sent out
The size of motivation, second purpose of the present utility model are to provide a kind of engine for including above-mentioned cylinder head.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 2, it is provided with spark plug, and cylinder in the cylinder head for the engine that the utility model embodiment provides
Two spark plugs are installed, two spark plugs are main spark plug 2 and secondary spark plug 3 respectively on lid 1.Offered in cylinder head 1
Two mounting holes, main spark plug 2 and secondary spark plug 3 are fixed on multiple mounting holes of cylinder head 1 respectively.And the cylinder head
1 and cylinder body coordinate, i.e., the main spark plug 2 in the cylinder head 1 and secondary spark plug 3 can light the mixing in same chamber
Gas.During using cylinder head 1 provided by the utility model, a cylinder head 1 and a cylinder body coordinate, two in cylinder head 1
Spark plug can light the mixed gas in same chamber, and such two spark plugs are by the mixed gas in same chamber
Light, to ensure that the burning of the mixed gas in combustion chamber is more abundant, improve the efficiency of combustion of engine, improve engine
Can, and avoid the phenomenon of detonation, moreover it is possible to reduce exhaust emissions.In addition, the number of increase spark plug will not excessively increase hair
The size of motivation.The cylinder head of the engine is motorcycle.
Further, there is angle between main spark plug 2 and secondary spark plug 3.The axis of i.e. main spark plug 2 and secondary spark plug
There is angle, the not parallel setting of axis of the axis of main spark plug 2 and secondary spark plug 3 between 3 axis.In this way, main spark plug 2
Igniting direction and the igniting direction of secondary spark plug 3 can be towards same position.Certainly, main spark plug 2 and secondary spark plug 3 also may be used
With arranged in parallel, it is not limited thereto.
In addition, main spark plug 2 can be arranged in the center of combustion chamber corresponding to cylinder head.Specific main spark plug 2
Set perpendicular to cylinder head 1, certain main spark plug 2 can also be obliquely installed relative to cylinder head 1, be not limited thereto.
Further, main spark plug 2 can be located between the center line of cylinder head 1 and the exhaust valve of cylinder head 1.I.e. main fire
Flower plug 2 is positioned at the side of the close exhaust valve of the center line of cylinder head 1.Certainly, may be located on according to the main spark plug 2 of actual conditions
Other positions, it is not limited thereto.
In above-described embodiment, engine can be driven by chain or belt.Secondary spark plug 3 can be located in cylinder head 1
The side of the remote chain or belt of heart line.
Meanwhile secondary spark plug 3 also is located at side of the center line close to exhaust valve of cylinder head 1.And secondary spark plug 3 is relative
It is obliquely installed in cylinder head 1.
Based on the cylinder head provided in above-described embodiment, the utility model additionally provides a kind of engine, the engine bag
Include multiple such as any one cylinder head in above-mentioned embodiment.The cylinder head in above-described embodiment, institute are employed due to the engine
Above-described embodiment refer to the beneficial effect of the engine.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of cylinder head of engine, it is provided with spark plug on the cylinder head (1) and the cylinder head (1) is matched somebody with somebody with a cylinder body
Close, it is characterised in that two spark plugs, and fire based on two spark plugs difference are installed on the cylinder head (1)
Hua Sai (2) and secondary spark plug (3).
2. the cylinder head of engine according to claim 1, it is characterised in that the main spark plug (2) and secondary spark plug
(3) there is angle between.
3. the cylinder head of engine according to claim 2, it is characterised in that the main spark plug (2) is arranged in described
The center of combustion chamber corresponding to cylinder head.
4. the cylinder head of the engine according to Claims 2 or 3, it is characterised in that the engine is by chain or belt
Driving, the secondary spark plug (3) are located at the side of the remote chain or belt of the center line of the cylinder head (1).
5. the cylinder head of engine according to claim 4, it is characterised in that the secondary spark plug (3) is located at the gas
The center line of cylinder cap (1) is close to the side of the exhaust valve of the cylinder head.
6. a kind of engine, it is characterised in that including the cylinder head as any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727930.6U CN207131497U (en) | 2017-06-21 | 2017-06-21 | Engine and cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727930.6U CN207131497U (en) | 2017-06-21 | 2017-06-21 | Engine and cylinder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131497U true CN207131497U (en) | 2018-03-23 |
Family
ID=61631889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720727930.6U Active CN207131497U (en) | 2017-06-21 | 2017-06-21 | Engine and cylinder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131497U (en) |
-
2017
- 2017-06-21 CN CN201720727930.6U patent/CN207131497U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |