CN217813671U - Outboard engine cylinder mechanism with precombustion chamber - Google Patents
Outboard engine cylinder mechanism with precombustion chamber Download PDFInfo
- Publication number
- CN217813671U CN217813671U CN202221842149.0U CN202221842149U CN217813671U CN 217813671 U CN217813671 U CN 217813671U CN 202221842149 U CN202221842149 U CN 202221842149U CN 217813671 U CN217813671 U CN 217813671U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- main
- cylinder cover
- injection valve
- chamber
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to an outboard engine cylinder mechanism with a precombustion chamber, which comprises a cylinder cover component, a main fuel oil common rail and a precombustion chamber fuel oil common rail; the cylinder cover component is provided with a main combustion chamber, a pre-combustion chamber, a main spark plug, a main fuel injection valve, a pre-combustion chamber spark plug, a pre-combustion chamber oil injection valve and a preheating plug; the main spark plug and the main fuel injection valve enter a main combustion chamber, the spark plug of the precombustion chamber, the oil injection valve of the precombustion chamber and the preheating plug enter the precombustion chamber, and the precombustion chamber is communicated with the main combustion chamber; the main fuel common rail is connected with the main fuel injection valve, and the pre-combustion chamber fuel common rail is connected with the pre-combustion chamber fuel injection valve; according to the scheme, the fuel gas can be heated in the cavity of the precombustion chamber through the preheating plug, and after the fuel gas is ignited, flame is sprayed into the main combustion chamber through the reserved channel of the cylinder cover, so that the gas in the main combustion chamber can be better combusted, and the stability and the working efficiency of the engine are ensured; and the combustion characteristic of diesel oil or kerosene can be adapted, and the safety of the engine is improved.
Description
Technical Field
The utility model relates to an outboard engine cylinder body mechanism with precombustion chamber belongs to outboard engine technical field.
Background
The fuel used by the outboard engine on the market is mainly gasoline, and the gasoline has the characteristics of flammability and explosiveness, has certain volatility and has certain risk. Diesel oil or kerosene does not have the characteristics of flammability and explosiveness and is not easy to volatilize, but the diesel oil or kerosene cannot be directly used based on the existing cylinder body, and the existing cylinder body mechanism needs to be improved so as to adapt to the combustion condition of the diesel oil or kerosene, so that the safety of users is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing an outboard engine cylinder mechanism with precombustion chamber.
In order to achieve the purpose, the utility model adopts the technical proposal that: an outboard engine cylinder body mechanism with a precombustion chamber comprises a cylinder cover assembly, a main fuel oil common rail and a precombustion chamber fuel oil common rail; the cylinder cover assembly is provided with a main combustion chamber, a pre-combustion chamber, a main spark plug, a main fuel injection valve, a pre-combustion chamber spark plug, a pre-combustion chamber oil injection valve and a preheating plug; the main spark plug and the main fuel injection valve enter a main combustion chamber, the pre-combustion chamber spark plug, the pre-combustion chamber oil injection valve and the pre-heating plug enter the pre-combustion chamber, and the pre-combustion chamber is communicated with the main combustion chamber; the main fuel common rail is connected with the main fuel injection valve, and the pre-chamber fuel common rail is connected with the pre-chamber fuel injection valve.
Preferably, the cylinder cover assembly comprises an upper cylinder cover and a cylinder cover, the upper cylinder cover is mounted on the cylinder cover, and a cylinder cover sealing gasket is arranged between the upper cylinder cover and the cylinder cover.
Preferably, the main combustion chamber is located at the bottom of the cylinder head, and the cylinder head is provided with a temperature sensor.
Preferably, the bottom of the cylinder upper cover and the top of the cylinder cover are respectively processed with a semi-spherical cavity, and the semi-spherical cavity of the cylinder upper cover and the semi-spherical cavity of the cylinder cover are combined to form the pre-combustion chamber.
Preferably, an oil inlet nozzle, a fuel pressure sensor and an injection valve fixing seat are arranged on the main fuel common rail and the pre-combustion chamber fuel common rail.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
according to the scheme, the precombustion chamber and related accessories thereof are designed in the cylinder body mechanism of the outboard engine, so that fuel gas can be heated in the cavity of the precombustion chamber through the preheating plug, flame is sprayed into the main combustion chamber through the reserved channel of the cylinder cover after the fuel gas is ignited, the gas in the main combustion chamber can be better combusted, and the stability and the working efficiency of the engine are ensured; and the combustion characteristic of diesel oil or kerosene can be adapted, and the safety of the engine is improved.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
fig. 1 is a schematic structural diagram of an outboard engine cylinder mechanism with a precombustion chamber according to the present invention;
fig. 2 is a top view of the cylinder head assembly of the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
fig. 4 is a sectional view taken along line B-B of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in attached figures 1-4, outboard engine cylinder mechanism with precombustion chamber, the utility model discloses a contain cylinder cap subassembly, main fuel and lead rail 1 and precombustion chamber fuel to lead rail 2, main fuel is led rail 1 and is led rail 2 to be on a parallel with the cylinder cap subassembly with the precombustion chamber fuel.
The cylinder cover assembly comprises an upper cylinder cover 11 and a cylinder cover 12, the upper cylinder cover 11 is fixedly arranged on the cylinder cover 12, and a cylinder cover sealing gasket 13 is arranged between the upper cylinder cover 11 and the cylinder cover 12; the cylinder head assembly is provided with a main combustion chamber 3, a precombustion chamber 4, a main spark plug 5, a main fuel injection valve 6, a precombustion chamber spark plug 7, a precombustion chamber oil injection valve 8 and a preheating plug 9.
Wherein, the main combustion chamber 3 is positioned at the bottom of the cylinder head 12, and the cylinder head 12 is provided with a temperature sensor 14; the bottom of the cylinder upper cover 11 and the top of the cylinder cover 12 are respectively processed with a semi-spherical cavity, and the semi-spherical cavity of the cylinder upper cover 11 and the semi-spherical cavity of the cylinder cover 12 are combined to form the pre-combustion chamber 4.
The main spark plug 5 and the main fuel injection valve 6 enter the main combustion chamber 3, the prechamber spark plug 7, the prechamber oil injection valve 8 and the preheating plug 9 enter the prechamber 4, and the prechamber 4 is communicated with the main combustion chamber 3.
The fuel injection device is characterized in that the end parts of the main fuel common rail 1 and the pre-combustion chamber fuel common rail 2 are respectively provided with an oil inlet nozzle 21, the middle parts of the main fuel common rail 1 and the pre-combustion chamber fuel common rail 2 are respectively provided with a fuel pressure sensor 22, the main fuel common rail 1 and the pre-combustion chamber fuel common rail 2 are respectively provided with an injection valve fixing seat 23, and the injection valve fixing seats 23 are welded on an oil duct of the main fuel common rail 1 or the pre-combustion chamber fuel common rail 2 through oil conveying pipes.
The number of the main combustion chambers 3 and the precombustion chambers 4 is determined according to the actual needs of the cylinder, for example, three main combustion chambers 3 and the precombustion chambers 4 are provided for a three-cylinder engine, and four main combustion chambers 3 and the precombustion chambers 4 are provided for a four-cylinder engine, which is illustrated in the figure of the present embodiment as a three-cylinder engine.
During operation, fuel gas can be heated in the cavity of the precombustion chamber 4 through the preheating plug 9, after ignition, flame is sprayed into the main combustion chamber 3 through a channel reserved on the cylinder cover assembly, so that the gas in the main combustion chamber 3 can be better combusted, and the stability and the working efficiency of the engine are ensured.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited at all; all technical solutions formed by adopting equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides an outboard engine cylinder mechanism with precombustion chamber which characterized in that: the device comprises a cylinder cover component, a main fuel common rail (1) and a pre-combustion chamber fuel common rail (2); the cylinder head component is provided with a main combustion chamber (3), a precombustion chamber (4), a main spark plug (5), a main fuel injection valve (6), a precombustion chamber spark plug (7), a precombustion chamber oil injection valve (8) and a preheating plug (9); the main spark plug (5) and the main fuel injection valve (6) enter the main combustion chamber (3), the pre-combustion chamber spark plug (7), the pre-combustion chamber oil injection valve (8) and the preheating plug (9) enter the pre-combustion chamber (4), and the pre-combustion chamber (4) is communicated with the main combustion chamber (3); the main fuel oil common rail (1) is connected with the main fuel oil injection valve (6), and the pre-combustion chamber fuel oil common rail (2) is connected with the pre-combustion chamber oil injection valve (8).
2. The outboard engine cylinder mechanism with the precombustion chamber of claim 1, wherein: the cylinder cover assembly comprises an upper cylinder cover (11) and a cylinder cover (12), the upper cylinder cover (11) is installed on the cylinder cover (12), and a cylinder cover sealing gasket (13) is arranged between the upper cylinder cover (11) and the cylinder cover (12).
3. The outboard engine cylinder mechanism with the precombustion chamber of claim 2, wherein: the main combustion chamber (3) is positioned at the bottom of the cylinder cover (12), and the cylinder cover (12) is provided with a temperature sensor (14).
4. The outboard engine cylinder mechanism with the precombustion chamber of claim 2, wherein: and the bottom of the cylinder upper cover (11) and the top of the cylinder cover (12) are respectively processed into a semi-spherical cavity, and the semi-spherical cavity of the cylinder upper cover (11) and the semi-spherical cavity of the cylinder cover (12) are combined to form the precombustion chamber (4).
5. The outboard engine cylinder mechanism with the precombustion chamber of claim 1, wherein: and the main fuel common rail (1) and the pre-combustion chamber fuel common rail (2) are respectively provided with an oil inlet nozzle (21), a fuel pressure sensor (22) and an injection valve fixing seat (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221842149.0U CN217813671U (en) | 2022-07-18 | 2022-07-18 | Outboard engine cylinder mechanism with precombustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221842149.0U CN217813671U (en) | 2022-07-18 | 2022-07-18 | Outboard engine cylinder mechanism with precombustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217813671U true CN217813671U (en) | 2022-11-15 |
Family
ID=83967705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221842149.0U Active CN217813671U (en) | 2022-07-18 | 2022-07-18 | Outboard engine cylinder mechanism with precombustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217813671U (en) |
-
2022
- 2022-07-18 CN CN202221842149.0U patent/CN217813671U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130104850A1 (en) | Multi-fuel pre-mixed combustion system of internal combustion engine | |
| CN111164285B (en) | Internal combustion engine for a motor vehicle | |
| CA1146430A (en) | Catalytic engine | |
| CN210239841U (en) | Pre-combustion chamber jet flow flame ignition combustion system of piston type aviation heavy oil engine | |
| CN113006927B (en) | Thermal jet mechanism of lean burn engine and combustion system thereof | |
| US20230040984A1 (en) | Air-assisted jet flame ignition device and ignition method thereof | |
| CN115111094A (en) | High-pressure direct injection cylinder mechanism of outboard engine | |
| CN114109627A (en) | Direct-injection hydrogen internal combustion engine based on diesel engine and combustion control method | |
| CN115234358A (en) | Active precombustion chamber type engine ignition device | |
| CN215566236U (en) | Engine and vehicle with same | |
| CN217813671U (en) | Outboard engine cylinder mechanism with precombustion chamber | |
| CN116771486A (en) | Pre-combustion chamber igniter, methanol engine and cold start control method thereof | |
| CN113969825B (en) | Split type precombustion chamber | |
| CN212508530U (en) | Double-precombustion chamber combustion system | |
| CN212154964U (en) | Cylinder cover structure and gasoline engine | |
| CN210106034U (en) | Internal combustion engine | |
| CN217558430U (en) | Control device of engine adopting ammonia gas and hydrogen gas dual fuel | |
| CN217632665U (en) | Active precombustion chamber type engine ignition device | |
| CN214660555U (en) | Fuel hydrogen-doped engine air inlet device | |
| CN115387898B (en) | Internal combustion engine and ignition control method thereof | |
| CN214616750U (en) | Improve antechamber device and engine of gas mixture oxygen content | |
| CN217632695U (en) | Cylinder cover of active pre-combustion direct-injection structure gas engine | |
| CN1305052A (en) | Compression ignition type energy-saving petrol engine | |
| CN114876654A (en) | Control method of engine adopting ammonia gas and hydrogen gas dual fuel | |
| CN115773177A (en) | Jet ignition combustion system and jet control method for hydrogen internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |