CN201526383U - Cylinder head of four-cylinder integrated four-valve diesel engine - Google Patents
Cylinder head of four-cylinder integrated four-valve diesel engine Download PDFInfo
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- CN201526383U CN201526383U CN2009202242813U CN200920224281U CN201526383U CN 201526383 U CN201526383 U CN 201526383U CN 2009202242813 U CN2009202242813 U CN 2009202242813U CN 200920224281 U CN200920224281 U CN 200920224281U CN 201526383 U CN201526383 U CN 201526383U
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- valve
- cylinder
- diesel engine
- exhaust
- cylinder head
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- Expired - Fee Related
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Abstract
A cylinder head of a four-cylinder integrated four-valve diesel engine comprises cylinder head bodies, intake valves, exhaust valves, intake valve pedestal rings, exhaust valve pedestal rings, valve guide pipes, fuel injector sleeves and so on. The valve guide pipes, the intake valve pedestal rings and the exhaust valve pedestal rings are pressed into valve guide pipe mounting holes and valve pedestal ring mounting holes on the cylinder head bodies respectively, the fuel injector sleeves are pressed into the fuel injector sleeve mounting holes, two intake valves and two exhaust valves are mounted in the corresponding valve guide pipe holes respectively, the fuel injectors are mounted in the position perpendicular to the center of a cylinder combustion chamber, and valves adopt a two-intake and two-exhaust structure. Through reasonable organization of intake and exhaust, the cylinder head of the four-cylinder integrated four-valve diesel engine can improve the quality of mixture uniformity and achieve the purpose of optimal combustion, thereby further reducing the exhaust emission and correspondingly improving diesel engine power; and the cylinder head of the four-cylinder integrated four-valve diesel engine has favorable social and economic benefits.
Description
Technical field:
The utility model belongs to field of internal combustion engine, relates to the whole Four-valve diesel engine cylinder head of of a kind of four cylinders.
Background technique:
At present, the four-cylinder diesel engine that China produces adopts direct injection combustion system more and more, and the design of cylinder head is one of diesel engine key Design technology.All there is very strong relevance valve number, oil sprayer position on the combustion performance of diesel engine with direct injection working procedure and the cylinder head, and particularly the oil sprayer shaft axis is especially crucial in the cylinder covering position.Present two valve cylinder head are because the restriction of its layout makes oil sprayer tilting, and the intersection point of the shaft axis of oil sprayer and cylinder head bottom plane has departed from cylinder axis, and oil bundle and air mixing uniformity difficulty strengthen.In addition, the raising of two valve cylinder head charging efficiencies is subjected to the restriction of each cylinder valve number, makes combustion performance be subjected to certain influence, is difficult to satisfy the environmental regulation of increasingly stringent.
The model utility content:
The purpose of this utility model is to provide a kind of low emission rational in infrastructure four cylinders whole Four-valve diesel engine cylinder head of.
The technical solution of the utility model is: the whole Four-valve diesel engine cylinder head of of four cylinders comprises cylinder lid, intake valve, exhaust valve, inlet valve seat ring, exhaust valve seat insert, valve guide bushing, oil sprayer bushing. valve guide bushing and inlet valve seat ring, exhaust valve seat insert are pressed into respectively in the valve guide bushing mounting hole and air valve seat ring mounting hole on the cylinder lid, make valve guide bushing the gentle cylinder body in upper-end surface the spring supporting plane be 14mm～15mm apart from Z1.Oil sprayer bushing is pressed in the oil sprayer bushing mounting hole on the cylinder lid, and two intake valves, two exhaust valves are respectively charged in the corresponding valve guide hole.
On the cylinder lid, be the center of circle with each cylinder axis, towards cylinder lid front end, with R35mm is that radius is drawn semicircle, towards cylinder lid rear end, is that radius is drawn semicircle with R36mm, again with 25 ° of each cylinder coordinate axes rotations, 4 that intersect with two semicircles respectively are inlet and outlet door center.
High pressure connecting rod mounting hole parallel axes is in cylinder lid bottom plane, and it is 91mm apart from F, with the angle α of coordinate axes be 19 °～21 °.
Inlet valve seat ring, exhaust valve seat insert are hollow ring, and top diameter of bore φ A is that φ 30mm, φ B are φ 28mm, processing lower cone table top subtended angle β after being pressed into the cylinder lid
1Be 119 °～120 °, β
2Be 89 °～90 °, the gauge size φ J of inlet valve seat ring is that the gauge size φ P of φ 33mm, exhaust valve seat insert is φ 30.9mm; Inlet valve seat ring gauge measuring position is 3.15mm～3.35mm to the distance H of cylinder lid bottom plane; Exhaust valve seat insert gauge measuring position is 3.1mm～3.3mm to the cylinder head bottom plane apart from K.
Oil sprayer bushing is pressed in the oil sprayer bushing mounting hole on the cylinder lid, pushes the back and forms the retaining lip, and the external diameter φ U of retaining lip is φ 12.7mm～φ 14.7mm, and width T is 4mm～6mm.
The shaft axis of oil sprayer bushing is perpendicular to cylinder lid bottom plane, and its subpoint in cylinder lid bottom plane is positioned at cylinder axis; Head oil nozzle mounting hole external diameter φ W is φ 12mm～φ 14mm, and internal diameter φ V is φ 8mm～φ 10mm; Oil sprayer bushing major part segment length L is 48mm～49mm, and total length Y is 63mm～65mm.
Valve guide bushing internal diameter φ M1 is φ 8mm～φ 8.5mm on the cylinder lid, and external diameter φ M2 is φ 13mm～φ 13.5mm, and the valve guide bushing upper-end surface is 14mm～15mm to the valve spring supporting plane apart from Z1, and valve guide bushing total length Z is 72mm～72.5mm.
The utility model can reach following beneficial effect: compare with two valves, adopt four valve gas handling systems, can make the valve circulation area increase about 25%, reduce pumping loss, improve charging efficiency, can more effectively organize the oil gas mixing and burning.The oil sprayer of four-valve diesel engine is arranged vertically, and makes firing chamber and cylinder concentric, and the air current flow in the firing chamber is obviously even than the biasing firing chamber.Because oil sprayer is arranged in the center, firing chamber, the valve circulation area increases, and makes four valve DI Diesel Engine have superior torque characteristics and emission performance.Even use identical fuel injection system, keep equal power in the standard cycle test, four-valve diesel engine is compared with two valve diesel, and discharging and oil consumption all have significant reduction.
Description of drawings:
Fig. 1 is the whole Four-valve diesel engine cylinder head of intake valve of the utility model four a cylinders structure cut-away view;
Fig. 2 is the whole Four-valve diesel engine cylinder head of exhaust valve structure of the utility model four a cylinders cut-away view;
Fig. 3 is the whole Four-valve diesel engine cylinder head of intake valve of the utility model four cylinders, exhaust valve, the relative cylinder axis position view of mounting hole of oil sprayer;
Fig. 4 is the angle schematic representation of whole Four-valve diesel engine cylinder head of high pressure connecting rod mounting hole of the utility model four cylinders and cylinder head vertical coordinate axle;
Fig. 5 is that the whole Four-valve diesel engine cylinder head of oil sprayer bushing of the utility model four cylinders is installed feature and high pressure connecting rod position of mounting hole schematic representation;
Fig. 6 is that the whole Four-valve diesel engine cylinder head of valve guide bushing of the utility model four cylinders, air valve seat ring are installed the feature schematic representation.
Embodiment:
Shown in Fig. 1-6, the whole Four-valve diesel engine cylinder head of of four cylinders comprises cylinder lid 1, intake valve 2, exhaust valve 3, inlet valve seat ring 4, exhaust valve seat insert 5, valve guide bushing 6, oil sprayer bushing 7, valve guide bushing 6 and inlet valve seat ring 4, exhaust valve seat insert 5 are pressed into respectively in the valve guide bushing mounting hole and air valve seat ring mounting hole on the cylinder lid 1, make valve guide bushing 6 the gentle cylinder body 1 in upper-end surface the spring supporting plane be 14mm～15mm apart from Z1.Oil sprayer bushing 7 is pressed in the oil sprayer bushing mounting hole on the cylinder lid 1, and two intake valves 2, two exhaust valves 3 are respectively charged in the corresponding valve guide hole 6.
On cylinder lid 1, be the center of circle with each cylinder axis, towards cylinder lid 1 front end, with R35mm is that radius is drawn semicircle, towards cylinder lid 1 rear end, is that radius is drawn semicircle with R36mm, again with 25 ° of each cylinder coordinate axes rotations, 4 that intersect with two semicircles respectively are inlet and outlet door center.
High pressure connecting rod mounting hole parallel axes is in cylinder lid 1 bottom plane, and it is 91mm apart from F, with the angle α of coordinate axes be 19 °～21 °.
Inlet valve seat ring 4, exhaust valve seat insert 5 are hollow ring, and top diameter of bore φ A is that φ 30mm, φ B are φ 28mm, are being pressed into cylinder lid 1 back processing lower cone table top subtended angle β
1Be 119 °～120 °, β
2Be 89 °～90 °, the gauge size φ J of inlet valve seat ring 4 is that the gauge size φ P of φ 33mm, exhaust valve seat insert 5 is φ 30.9mm; Inlet valve seat ring 4 gauge measuring positions are 3.15mm～3.35mm to the distance H of cylinder lid 1 bottom plane; Exhaust valve seat insert 5 gauge measuring positions are 3.1mm～3.3mm to cylinder lid 1 bottom plane apart from K.
The shaft axis of oil sprayer bushing 7 is perpendicular to cylinder lid 1 bottom plane, and the subpoint on its 1 plane at the bottom of cylinder head is positioned at cylinder axis; Head oil nozzle mounting hole external diameter φ W is φ 12mm～φ 14mm, and internal diameter φ V is φ 8mm～φ 10mm; Oil sprayer bushing 7 major part segment length L are 48mm～49mm, and total length Y is 63mm～65mm.
Valve guide bushing 6 internal diameter φ M1 are φ 8mm～φ 8.5mm on the cylinder lid 1, and external diameter φ M2 is φ 13mm～φ 13.5mm, and valve guide bushing 6 upper-end surfaces are 14mm～15mm to the valve spring supporting plane apart from Z1, and valve guide bushing 6 total length Z are 72mm～72.5mm.
During work, two intake valves 2 are opened air inlet simultaneously, and air inlet end of a period oil sprayer sprays into the fuel combustion work done that gives off energy to the firing chamber, and work done two exhaust valves 3 of ending are opened exhaust, circulation successively simultaneously.
After adopting two to advance two rows' four air valve structures, and compare the actual internal area that can increase inlet and outlet, effectively increase the gettering quantity of motor with cylinder diameter two valve diesel; Simultaneously, vertical mid-oil sprayer can solve the rational Match problem of oil bundle and firing chamber better, effectively reduces the harmful exhaust effulent.
Claims (7)
1. the whole Four-valve diesel engine cylinder head of of a cylinder, comprise cylinder lid (1), intake valve (2), exhaust valve (3), inlet valve seat ring (4), exhaust valve seat insert (5), valve guide bushing (6), oil sprayer bushing (7), it is characterized in that: with valve guide bushing (6) and inlet valve seat ring (4), exhaust valve seat insert (5) is pressed into respectively in the valve guide bushing mounting hole and air valve seat ring mounting hole on the cylinder lid (1), make valve guide bushing (6) the gentle cylinder body in upper-end surface (1) the spring supporting plane be 14mm～15mm apart from Z1, oil sprayer bushing (7) is pressed in the oil sprayer bushing mounting hole on the cylinder lid (1), two intake valves (2), two exhaust valves (3) are respectively charged in the corresponding valve guide hole.
2. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: on cylinder lid (1), with each cylinder axis is the center of circle, towards cylinder lid (1) front end, with R35mm is that radius is drawn semicircle, towards cylinder lid (1) rear end, is that radius is drawn semicircle with R36mm, again with 25 ° of each cylinder coordinate axes rotations, 4 that intersect with two semicircles respectively are inlet and outlet door center.
3. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: high pressure connecting rod mounting hole parallel axes is in cylinder lid (1) bottom plane, and it is 91mm apart from F, with the angle α of coordinate axes be 19 °～21 °.
4. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: inlet valve seat ring (4), exhaust valve seat insert (5) are hollow ring, top diameter of bore φ A is that φ 30mm, φ B are φ 28mm, is being pressed into cylinder lid (1) back processing lower cone table top subtended angle β
1Be 119 °～120 °, β
2Be 89 °～90 °, the gauge size φ J of inlet valve seat ring (4) is that the gauge size φ P of φ 33mm, exhaust valve seat insert (5) is φ 30.9mm; Inlet valve seat ring (4) gauge measuring position is 3.15mm～3.35mm to the distance H of cylinder lid (1) bottom plane; Exhaust valve seat insert (5) gauge measuring position is 3.1mm～3.3mm to cylinder lid (1) bottom plane apart from K.
5. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: oil sprayer bushing (7) is pressed in the oil sprayer bushing mounting hole on the cylinder lid (1), push the back and form the retaining lip, the external diameter φ U of retaining lip is φ 12.7mm～φ 14.7mm, and width T is 4mm～6mm.
6. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: the shaft axis of oil sprayer bushing (7) is perpendicular to cylinder lid (1) bottom plane, and its subpoint in cylinder lid (1) bottom plane is positioned at cylinder axis; Head oil nozzle mounting hole external diameter φ W is φ 12mm～φ 14mm, and internal diameter φ V is φ 8mm～φ 10mm; Oil sprayer bushing (7) major part segment length L is 48mm～49mm, and total length Y is 63mm～65mm.
7. the whole Four-valve diesel engine cylinder head of of four cylinders according to claim 1, it is characterized in that: it is φ 8mm～φ 8.5mm that cylinder lid (1) is gone up valve guide bushing (6) internal diameter φ M1, external diameter φ M2 is φ 13mm～φ 13.5mm, valve guide bushing (6) upper-end surface is 14mm～15mm to the valve spring supporting plane apart from Z1, and valve guide bushing (6) total length Z is 72mm～72.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202242813U CN201526383U (en) | 2009-10-21 | 2009-10-21 | Cylinder head of four-cylinder integrated four-valve diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202242813U CN201526383U (en) | 2009-10-21 | 2009-10-21 | Cylinder head of four-cylinder integrated four-valve diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526383U true CN201526383U (en) | 2010-07-14 |
Family
ID=42517671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202242813U Expired - Fee Related CN201526383U (en) | 2009-10-21 | 2009-10-21 | Cylinder head of four-cylinder integrated four-valve diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526383U (en) |
-
2009
- 2009-10-21 CN CN2009202242813U patent/CN201526383U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YTO (LUOYANG) DIESEL ENGINE CO., LTD. Assignor: China Yituo Group Co., Ltd. Contract record no.: 2010410000098 Denomination of utility model: Cylinder head of four-cylinder integrated four-valve diesel engine Granted publication date: 20100714 License type: Exclusive License Record date: 20100903 |
|
| ASS | Succession or assignment of patent right |
Owner name: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20110714 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471039 NO. 39, XIYUAN ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE TO: 471004 NO. 154, JIANSHE ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110714 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: China Yituo Group Co., Ltd. |
|
| 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: 20100714 Termination date: 20171021 |