CN201071766Y - Cylinder cap device of split type internal combustion engine - Google Patents
Cylinder cap device of split type internal combustion engine Download PDFInfo
- Publication number
- CN201071766Y CN201071766Y CNU2007201756045U CN200720175604U CN201071766Y CN 201071766 Y CN201071766 Y CN 201071766Y CN U2007201756045 U CNU2007201756045 U CN U2007201756045U CN 200720175604 U CN200720175604 U CN 200720175604U CN 201071766 Y CN201071766 Y CN 201071766Y
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- cylinder head
- combustion engine
- split type
- internal
- cylinder
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A split type internal combustion engine cylinder cover and an internal combustion engine installed therein, the cylinder cover is provided therein with an air inlet channel, an air exhaust channel and a camshaft; and is characterized in that, the cylinder cover is the split type, and is composed of a first part of the cylinder cover and a second part of the cylinder cover, wherein, the base of the first part is connected with the internal combustion engine body via an cylinder cushion, the air inlet channel and the air exhaust channel are provided in the first part; the base of the second part basal surface is connected with the top of the first part, and an air inlet main pipe is arranged in the second part. The internal combustion engine installed with the split type internal combustion engine cylinder cover has the advantages of obviously improved power, reduced air exhaust pollution, and decreased fuel consumption rate etc.
Description
Technical field:
The utility model relates to the cylinder head of a kind of cylinder head, particularly a kind of diesel engine.
Background technique:
Since automobile comes out, bring great convenience for people's traffic life, simultaneously, along with the enhancing of people's consumption idea, the requirement of automobile is also come height more, for example, when handsome in appearance, novel fashion is claimed, also particularly pay attention to for the specific fuel consumption in the economic indicator.
The approach that reduces specific fuel consumption mainly is to improve the indicated efficiency of internal-combustion engine, as improving burning.As the air quantity deficiency that enters cylinder of internal-combustion engine, can make mixed gas dense partially, cause fuel combustion incomplete, fuel consumption increases, exhaust pollution is serious, not only can cause Consumer's automobile user cost to improve, and pollution on the environment also can not be ignored.
Therefore, how to provide a kind of desirable technological scheme, make gas handling system that sufficient air is provided, improve volumetric efficiency, increase aeration quantity, make combustion in IC engine more efficient more perfect, become technical problem that needs to be resolved hurrily of the industry.
At present, go back neither one in the prior art and improve the technological scheme that solves the problems of the technologies described above.
The model utility content:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of cylinder of internal-combustion engine lid arrangement of realizing that aeration quantity is big, volumetric efficiency is high is provided.
A kind of split type cylinder of internal-combustion engine lid arrangement that provides according to the utility model, be provided with intake duct in it, air outlet flue, intake valve, exhaust valve, camshaft, cooling unit, described cylinder cap device is split type, form by cylinder head first portion and cylinder head second portion, the underrun head gasket of described cylinder head first portion is connected with the cylinder of internal-combustion engine, described intake duct, air outlet flue is arranged in the cylinder head first portion, the bottom surface of described cylinder head second portion is connected with the end face of cylinder head first portion, is provided with the intake manifold in described cylinder head second portion.This split type cylinder head, make that the structure setting in the cylinder head is more calm, thereby can realize the cylinder head design so that the more rational purpose of design of internal-combustion engine, especially gas handling system is provided with the intake manifold and it is arranged at the cylinder head second portion, and the parts in the cylinder head in the prior art are arranged at the technological scheme of the cylinder first portion in the utility model, make and provide enough big space gas handling system, provide a great convenience for optimizing the air-intake of combustion engine scheme, can realize that air charge amount in internal combustion engine is big, volumetric efficiency improves, reduce specific fuel consumption, reduce the pollution of exhaust environment.
A kind of split type cylinder of internal-combustion engine lid arrangement that provides according to the utility model also has following attached technical characteristics:
Described intake manifold is arranged on a side of cylinder head second portion, described cylinder head second portion includes air intake branch, described intake manifold's one end is a suction port, the other end is connected with described air intake branch, the quantity of described air intake branch can be arranged to corresponding with intake duct quantity, and be connected with described intake duct respectively, the center line of described air intake branch is a circular shape.The intake manifold can be arranged on the top of internal-combustion engine, but for consideration to the overall height of internal-combustion engine, the utility model has adopted the optimized project that the intake manifold is arranged on cylinder head second portion one side, simultaneously, between intake manifold and intake duct, be provided with the air intake branch of some, and guarantee inlet stream to moving towards, thereby it is more smooth and easy to make that air enters intake duct for circular arc.
In the utility model, camshaft is arranged in the described cylinder head second portion, described cylinder head second portion internal shaping has the unitary cam shaft supporting frame, the wall of cylinder head second portion constitutes valve cover, and needn't establish valve cover in addition, in the prior art, the camshaft supporting frame is split type, during assembling, with camshaft-bearing cap stationary cam axle.And the interior camshaft bearing of cylinder head second portion that is loaded in the utility model adopts the integrated type supporting structure, has increased rigidity and intensity that camshaft supports widely, has reduced the assembling difficulty of machine part.
Described cooling unit is arranged in the described cylinder head first portion, and described air outlet flue outlet is arranged at the side of described cylinder head first portion.
According to the utility model patent, a kind of internal-combustion engine that split type cylinder head described in the utility model is installed can be provided, comprise cylinder, cylinder head, described cylinder cap device is split type, form by cylinder head first portion and cylinder head second portion, the underrun head gasket of described cylinder head first portion is connected with the cylinder of internal-combustion engine, described intake duct, air outlet flue is arranged in the cylinder head first portion, the bottom surface of described cylinder head second portion is connected with the end face of cylinder head first portion, is provided with the intake manifold in described cylinder head second portion.The cylinder head of this internal-combustion engine also has above-mentioned about technical characteristics that split type cylinder head had.This internal-combustion engine has power per liter and improves than prior art, and exhaust pollution reduces, the advantage that specific fuel consumption descends to some extent.
Description of drawings:
The schematic representation of a kind of split type combustion engine cylinder head second portion bottom surface that provides according to the utility model is provided Fig. 1;
Fig. 2 is the cylinder head second portion side schematic view (camshaft is not installed) in the utility model;
Fig. 3 is the A-A generalized section (camshaft is not installed) of cylinder head second portion in the utility model;
Fig. 4: be the end face schematic representation of cylinder head first portion in the utility model;
Fig. 5: be the schematic bottom view of cylinder head first portion in the utility model;
Fig. 6: be C-C sectional drawing among Fig. 4;
Fig. 7: be the side schematic view of cylinder head first portion exhaust outlet side in the utility model;
Embodiment:
Because at present the diesel engine of four cylinder four-stroke is more common, so the utility model embodiment that will provide as the utility model with the motor vehicle diesel internal-combustion engine and the cylinder head thereof of four cylinder four-stroke.
Referring to Fig. 1-Fig. 6, split type combustion engine cylinder head comprises cylinder head first portion 100 and cylinder head second portion 200.One side of cylinder head second portion 200 is provided with intake manifold 201, intake manifold 201 forms a suction port 202 in the side away from cylinder head second portion 200, intake manifold 201 is connected by the intake duct of air intake branch 203 with cylinder head first portion 100, intake duct communicates with cylinder through intake valve, intake manifold 201, air intake branch 203 are one of the forming with the body of cylinder head second portion 200, and intake duct and cylinder head first portion 100 are integrally formed.Intake manifold 201 becomes certain arc in suction port 202 partial design, because corresponding to four cylinders, therefore, air intake branch 203 is four groups, every group of two air intake branch 203 ', 203 ", 203 ' to be close to suction port, 203 " be to be away from suction port and to be arc pipe; Camshaft 204 ', 204 " and supporting frame 205 is arranged in the described cylinder head second portion 200; wherein camshaft 204 ', 204 " supporting frame 205 be integrated type, integrally formed with the body of cylinder head second portion 200, camshaft 204 ', 204 " and the cam 206 that is mounted thereon is supported on the supporting frame 205; be installed on valve spring in the cylinder head first portion 100 by rocking arm control, thus the opening and closing of control intake valve, exhaust valve.
The wall of cylinder head second portion 200 constitutes valve cover, with cylinder head second portion 200, cylinder head first portion 100 and after cylinder block is connected, can charge into lubricant oil in the wall of cylinder head second portion, thus camshaft lubrication and other parts.
Cylinder head first portion 100 comprises two end faces, and the shape of end face is all rectangle like.The bottom surface 102 of cylinder head first portion is connected with the cylinder body of internal-combustion engine by head gasket, and the bottom surface of cylinder head second portion 200 is connected with the end face 103 of cylinder head first portion 100.
The center line of intake duct is shaped to arc, and intake duct is four groups, and two every group, every group corresponding to a cylinder, and intake duct one end opening is in the bottom surface 102 of cylinder head first portion 100, and the other end is opened on the end face 103 of cylinder head first portion 100.All inner-walls of duct all are smooth surface, and internal face is avoided the projection design.When air when suction port 202 enters intake manifold 201 because the design of the arc of the part of suction port 202 forces air to enter from oblique below, with arc enter the air intake branch 203 that is close to suction port 202 '; " be arc, therefore can guarantee that air enters corresponding intake duct with same or similar arc owing to be away from the air intake branch 203 of suction port; Air by air intake branch 203 ', 203 " enter intake duct 101 ', 101 ", when intake valve 105 is opened, enter the firing chamber of cylinder then.
Air outlet flue is arranged in the cylinder head first portion 100, and totally four groups, correspond respectively to four cylinders, every group comprises two air outlet flues, the body of air outlet flue and cylinder head first portion 100 is one of the forming.The center line of air outlet flue is shaped to arc, and the one end opening is in the bottom surface 102 of cylinder head first portion, and its other end 106 is opened on a side of cylinder head first portion 100; Fuel combustion finishes when the firing chamber, and exhaust valve 104 is opened, and waste gas enters air outlet flue, discharges cylinder head first portion 100 by outlet 106 after cooling off.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (8)
1. split type cylinder of internal-combustion engine lid arrangement, be provided with intake duct, air outlet flue, camshaft in the described cylinder cap device, it is characterized in that, described cylinder cap device is split type, form by cylinder head first portion and cylinder head second portion, the underrun head gasket of described cylinder head first portion is connected with the cylinder body of internal-combustion engine, described intake duct, air outlet flue are arranged in the cylinder head first portion, the bottom surface of described cylinder head second portion is connected with the end face of cylinder head first portion, is provided with the intake manifold in described cylinder head second portion.
2. split type cylinder of internal-combustion engine lid arrangement as claimed in claim 1, it is characterized in that: described intake manifold is arranged on a side of cylinder head second portion, described cylinder head second portion includes air intake branch, described intake manifold's one end is a suction port, the other end is connected with described air intake branch, and described air intake branch is connected with described intake duct respectively.
3. split type cylinder of internal-combustion engine lid arrangement as claimed in claim 1 or 2 is characterized in that: the center line of described air intake branch is a circular shape.
4. split type cylinder of internal-combustion engine lid arrangement as claimed in claim 3 is characterized in that: described camshaft is arranged in the described cylinder head second portion.
5. split type cylinder of internal-combustion engine lid arrangement as claimed in claim, it is characterized in that: described cylinder head second portion internal shaping has the unitary cam shaft supporting frame.
6. split type cylinder of internal-combustion engine lid arrangement as claimed in claim is characterized in that: the wall formation valve cover of described cylinder head second portion.
7. split type cylinder of internal-combustion engine lid arrangement as claimed in claim 1 is characterized in that: described cooling unit is arranged in the described cylinder head first portion.
8. split type cylinder of internal-combustion engine lid arrangement as claimed in claim 1 is characterized in that: the outlet of described air outlet flue is arranged at the side of described cylinder head first portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201756045U CN201071766Y (en) | 2007-09-21 | 2007-09-21 | Cylinder cap device of split type internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201756045U CN201071766Y (en) | 2007-09-21 | 2007-09-21 | Cylinder cap device of split type internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071766Y true CN201071766Y (en) | 2008-06-11 |
Family
ID=39550324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201756045U Expired - Fee Related CN201071766Y (en) | 2007-09-21 | 2007-09-21 | Cylinder cap device of split type internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071766Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014075603A1 (en) * | 2012-11-19 | 2014-05-22 | 上海交通大学 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine equipped with same |
-
2007
- 2007-09-21 CN CNU2007201756045U patent/CN201071766Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014075603A1 (en) * | 2012-11-19 | 2014-05-22 | 上海交通大学 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine equipped with same |
| CN104822929A (en) * | 2012-11-19 | 2015-08-05 | 上海交通大学 | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine equipped with same |
| US9650987B2 (en) | 2012-11-19 | 2017-05-16 | Yaofu JIANG | Water-cooled internal combustion engine cylinder head and water-cooled internal combustion engine equipped with same |
| CN104822929B (en) * | 2012-11-19 | 2019-07-26 | 上海交通大学 | A kind of water-cooled internal combustion engine cylinder cap and the water-cooled internal combustion engine equipped with this cylinder cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20160921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |