CN103670698A - Engine body - Google Patents
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- CN103670698A CN103670698A CN201310407140.6A CN201310407140A CN103670698A CN 103670698 A CN103670698 A CN 103670698A CN 201310407140 A CN201310407140 A CN 201310407140A CN 103670698 A CN103670698 A CN 103670698A
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Abstract
The invention provides a multifunctional engine body for the special arrangement design of a crankshaft and connecting rod mechanism, an air inlet system, an exhaust system, a cooling system and a lubrication system of a two-stroke engine. The multifunctional engine body is optimized and reasonable in structure, simple, compact and integrated. Systems integrated in the engine body comprise a cylinder hole, an air inlet channel, an exhaust channel, a water jacket, an oil channel and a connecting rod channel. The related systems are integrated into a whole through a left cylinder body of the engine body and a right cylinder body of the engine body, assembly and connection of parts are greatly simplified and the size of the parts is reduced. The engine body further forms the installation basis of a gear chamber in the front end face of the engine, a fly wheel shell on the rear end face of the engine, a left side end cover on the left end face of the engine and a right side end cover on the right end face of the engine, related parts of the front end face and the rear end face comprise the fly wheel shell and a gear chamber installation assembly, the left end face and the right end face comprise the left side engine body end cover and the right side engine body end cover. By means of the multifunctional engine body, installation and maintenance of the engine are greatly simplified and the compactness of the engine is improved.
Description
Technical field
The present invention relates to a kind of technical field of motor, especially a kind of body of motor.
Background technique
The present invention is mainly for Two stroke engine, and two stroke engine has important potential advantages with respect to four stroke engine.On two stroke engine, bent axle often revolves and turns around, and each cylinder acting once.With respect to the four stroke engine of identical acting output-index, two stroke engine only needs the cylinder of half quantity.Number of cylinders still less makes that engine mechanical is simple in structure and volume is less.Compare with traditional combustion engine in addition, advantage is, amount of parts reduces greatly: without cylinder head, without valve, without camshaft, without gas distribution structure chain drive system etc.The minimizing of component, not only makes internal combustion engine reliability be improved, and also effectively reduces manufacture cost, the more important thing is that the structure of internal-combustion engine becomes compact, to vehicle, arranges more abundant space is provided.And adopt the internal-combustion engine of this structure, and owing to making, pressure of explosion is higher, burns better, and when power moment of torsion gets a promotion, emission performance also improves substantially.
At present general four stroke engine body mainly comprises three major parts: cylinder body, cylinder cap, cylinder cap cover cap.
Wherein cylinder body is as supporting bent axle work operation and other peripheral accessory being installed; Cylinder cap function is valve tappet, the camshaft timing systems such as valve spring and valve and air-inlet system and exhaust passage system; The function of cylinder cap cover cap is sealing and protection internal body part.
Summary of the invention
In order to realize two stroke engine crankshaft & connecting, the special arrangement of gas handling system, vent systems, cooling system and lubrication system design, the invention provides a kind of structure optimization rationally, simply compact, integrated multifunctional engine body.The integrated system of above-mentioned body comprises, cylinder hole, intake duct, air outlet flue, water jacket, oil duct, connecting rod passage.By body left and right cylinder body, above-mentioned interacted system is integrated as a whole, greatly simplified the assembly connection of component, reduced the volume of component.Above-mentioned body has also formed the left side end cap of motor head face gear chamber and ear end face flywheel casing and left side and the right side end cap of right side is installed basis, the associated member of above-mentioned front/rear end comprises, flywheel casing, gear chamber mounting assembly, above-mentioned left and right end face comprises, left side body end cap, right side body end cap.
For achieving the above object, described engine body comprises left side body and right side body, and left side body becomes horizontal symmetrical to arrange with right side body, and tightens connection by body connecting bolt, and the chamber of left side body and body joint, right side forms crankcase;
Above-mentioned engine body also comprises left side body cylinder-bore and right side body cylinder-bore, and cylinder-bore and interior outer piston form airtight cavity and form firing chamber.
Above-mentioned engine body also comprises long connecting rod passage, its feature is in being arranged symmetrically in cylinder-bore both sides, for the corresponding long connecting rod moving conduit of outer piston, left and right body connecting rod passage and crankcase UNICOM in addition, the pressure difference for balance left and right body end cap because of high speed piston motion formation.
Above-mentioned engine body also comprises oil duct and inside and outside piston machine oil nozzle, it is characterized in that drawing from main oil gallery, respectively by the lubricated front end and back end of left and right oil duct crankshaft main bearing, by left and right oil duct, machine oil is introduced to inner carrier oil injection nozzle cooling and lubricating left and right inner carrier again, the outer piston oil injection nozzle cooling and lubricating outer piston then being induced one on the body end cap of left and right by oil duct.
Above-mentioned engine body also comprises intake duct, it is characterized in that, around being arranged in around cylinder-bore, making gas form eddy current when through intake duct and entering firing chamber and the abundant mixed combustion of diesel oil, reaches good fuel economy.
Above-mentioned engine body also comprises air outlet flue, it is characterized in that around being arranged in around cylinder hole, and is divided into upper and lower two relief openings, to better reach the object scavenging.
Above-mentioned engine body also comprises water jacket, it is characterized in that around being arranged in around firing chamber and air outlet flue, by the temperature of motor short circle control combustion chamber casing wall and air outlet flue, ensure the impaired or too low heat-energy losses causing of temperature of cylinder body that engine body excess Temperature causes.
Above-mentioned engine body also comprises left and right crankcase peep hole, four oil sprayer peace seats, four gas exhaust manifold fitting seats, two engine support fitting seats, two intake manifold fitting seats, a mechanical supercharger fitting seat, a deaerator fitting seat, an oil sump fitting seat, two intake pipe fitting seats, two outlet pipe fitting seats, two inner carrier oil injection nozzle fitting seats, a turbosupercharger fitting seat, two crankcase peep hole cover plate fitting seats.
The present invention is by gas distribution structure is integrated on body, and by piston movement opening and closing porting, to reach the function of valve, amount of parts reduces greatly: without cylinder head, without valve, without camshaft, without gas distribution structure chain drive system etc.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the plan view of a kind of engine body of the present invention;
Fig. 2 is the plan view of a kind of engine body of the present invention;
Fig. 3 is the rear view of a kind of engine body of the present invention;
Fig. 4 is the worm's eye view of a kind of engine body of the present invention;
Fig. 5 is the axonometric drawing of a kind of engine body of the present invention;
Fig. 6 is the schematic diagram of lubrication system and oil cooling system in a kind of engine body of the present invention.
Embodiment:
In Fig. 1, engine body is comprised of left side body 1 and 2 combinations of right side body; Left side body 1 tights a bolt to be connected by cylinder body with right side body 2 and combines engine body of the present invention.
In Fig. 1, be left and right body in conjunction with after crankshaft hole 7, in conjunction with Fig. 3, can find out that the interior installation of crankshaft hole 7 is for crank spindle watts 38 with for preventing the thrust plate 40 of bent axle play.
In Fig. 1, in the body 1 of left side, four mounting holes 3 support for motor machine oil sprayer oil inlet and oil return pipe is installed.
Left and right body intake duct wall organism intake duct gas temperature sensor mounting hole 9 and intake duct gas pressure sensor 10 in Fig. 1.
Fig. 2 is body plan view, and in Fig. 2, left and right body respectively has a crankcase peep hole 1 and peep hole 2;
Left side water jacket water outlet 9 and right side water jacket water outlet 3 and water jacket track bolt hole, at organism bottom left and right body, respectively have water jacket water inlet 2, left side and water jacket water inlet, right side 11 as shown in Figure 4, engine water circulation is flowed out from osculum after the casing wall of the cooling firing chamber of water jacket from body water inlet, left and right respectively.
In Fig. 2, intake duct 6 is arranged in left side body disposed inboard intake duct 11 and right side body outside, and intake duct is arranged in around firing chamber, left and right, and air-flow converges bottom, firing chamber formation eddy current and diesel particulate fully mixes, to complete sufficient burning.
In Fig. 2, in oil sprayer 5 and oil sprayer 17 mounting holes and Fig. 4, oil sprayer 14 and oil sprayer 15 are arranged in suction port and relief opening neutral position, and are distributed in the upper and lower both sides of engine body, for motor provides fuel oil.
Body outside, left side shown in Fig. 2 and right side body inner side respectively have relief opening and are distributed in relief opening bolt hole around; In Fig. 2, be also provided with water jacket casting sand discharge plug (plug 12, plug 13, plug 14, plug 15);
Body left side body end cap 13 and right side body end cap 14 that the left and right of engine body shown in Fig. 2 end face is installed, left and right body end cap supports for engine piston provides axial motion, and outer piston oil ring and the installation of outer piston oil-ring retainer, and be conducive to machine-building processing, simplify production technology and cost.
Body front-end face 6 and be distributed on round table surface tapped hole around in Fig. 1, in order to engine gear case to be installed, the mail gallery holes that is wherein integrated in gear chamber enters left side body main oil gallery 6 as shown in Figure 6 by the hole 11 shown in Fig. 1, then by left and right body, is communicated with oil duct 2 and oil duct 3 and oil duct 4 and oil duct 5 and enters right side body main oil gallery 1; Through undue oil duct 9 and oil duct 11, enter inner carrier lubricating nozzle (shown in Fig. 5 18) again inner carrier is played to lubrication, in oil duct 1, lubricant oil is lubricated cooling by gear chamber lubricating nozzle (shown in Fig. 5 20) to gear chamber driving gear simultaneously; In oil duct 1, lubricant oil arrives 10 pairs of crankshaft main bearings of oil ducts (shown in Fig. 5 40) through oil channel 9 and is lubricated; Meanwhile in main oil gallery 1 machine oil through oil channel 12, then from a minute oil duct 15, entering flywheel end crank spindle watt is respectively lubricated, enter the outer piston lubricating nozzle of body end cap with oil duct 13, thereby enter oil duct 14 simultaneously, provide machine oil cooling and lubricating for turbosupercharger.
Right side body engine oil passage system and left side are similar, and machine oil enters body main oil gallery, enter minute oil duct 8 provide lubricated for front end crank spindle watt through oil channel 7; Main oil gallery 6 enters the cold nozzle that goes of inner carrier through oil channel 16, enters flywheel end crankshaft main bearing by oil duct 18 simultaneously, thereby then through oil channel 17, enter right side body end cap and enter outer piston nozzle, right side body outer piston is entered to cooling and lubricating.
Fig. 3 is engine body rear view, has in the drawings four attachment faces 1 to be used to deaerator support mounting hole, and in figure, four of right side body attachment faces 3 are for turbosupercharger mounting bracket immovable point; In figure flanged surface 2 and at the bolt hole around around as flywheel casing attachment face.
Fig. 4 is engine body worm's eye view, and in figure, four fixed installation points 1 of left side body and right side fixed installation point 7 are for stationary engine suspension strut.In figure, flanged surface 2 and flanged surface 11 are motor short circle cooling water water inlet; In figure, in left side body air outlet flue 3 and right side body air outlet flue and Fig. 2, air outlet flue is arranged symmetrically in the upper and lower both sides of engine body, and this kind of exhaust structure is more conducive to burning indoor exhaust air to discharge.Two positioning pin holes 5 arranging at diagonal angle as being in Fig. 4 are as engine body component processing positioning datum; Figure mesopore 4 and place attachment face are as engine sump tank attachment face.
The foregoing is only preferred embodiment of the present invention; not thereby limit embodiments of the present invention and protection domain; to those skilled in the art; should recognize that being equal to that all utilizations specification of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (8)
1. an engine body, it is characterized in that, the left and right engine body that comprises at least one crankcase and two horizontal symmetrical, described in two engine body have two pairs symmetrical around cylinder, described around on cylinder for the porting that is in communication with the outside simultaneously also as formal valve mechanism, intake duct wall organism intake duct gas temperature sensor and intake duct gas pressure sensor, described have a pair of oil sprayer separately around cylinder left and right, described left and right body has separately independently water-cooling circulating system, described crankcase is used for installing gear, described crankcase and described around cylinder body by left and right body connecting rod channel connection.
2. engine body as claimed in claim 1, it is characterized in that, described engine body comprises left side body and right side body, described left side body becomes horizontal symmetrical to arrange with described right side body, and tighten connection by body connecting bolt, the chamber of described left side body and body joint, described right side forms described crankcase.
3. engine body as claimed in claim 1, is characterized in that, described engine body comprises left side body cylinder-bore and right side body cylinder-bore, and described cylinder-bore and interior outer piston form airtight cavity formation firing chamber.
4. engine body as claimed in claim 1, it is characterized in that, described engine body also comprises left and right long connecting rod passage, described in two, long connecting rod passage is arranged symmetrically in described cylinder-bore both sides, for the corresponding described left and right of outer piston long connecting rod passage, described left and right body long connecting rod passage is communicated with described crankcase, the pressure difference forming because of high speed piston motion for balance left and right body end cap.
5. engine body as claimed in claim 1, it is characterized in that, described engine body also comprises oil duct and inside and outside piston machine oil nozzle, from described main oil gallery, draw, respectively by the lubricated front end and back end of left and right oil duct crankshaft main bearing, by described left and right oil duct, machine oil is introduced to described inner carrier oil injection nozzle for cooling and lubricated left and right inner carrier again, the outer piston oil injection nozzle of then being introduced on the body end cap of left and right by described left and right oil duct is used for cooling and lubricated outer piston.
6. engine body as claimed in claim 1, it is characterized in that, described engine body also comprises described intake duct, it is characterized in that, around being arranged in around described cylinder-bore, making gas form eddy current when through described intake duct and entering firing chamber and the abundant mixed combustion of diesel oil.
7. engine body as claimed in claim 3, is characterized in that, described engine body also comprises described air outlet flue, it is characterized in that around being arranged in around described cylinder-bore, and is divided into upper and lower two relief openings.
8. engine body as claimed in claim 3, it is characterized in that, described engine body also comprises independently water-cooling circulating system, it is characterized in that around being arranged in around described firing chamber and described air outlet flue, for cooling described firing chamber and described air outlet flue temperature, watercourse port is provided with sand discharge plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407140.6A CN103670698A (en) | 2013-09-09 | 2013-09-09 | Engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407140.6A CN103670698A (en) | 2013-09-09 | 2013-09-09 | Engine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103670698A true CN103670698A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310407140.6A Pending CN103670698A (en) | 2013-09-09 | 2013-09-09 | Engine body |
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| CN (1) | CN103670698A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370397A (en) * | 2015-10-13 | 2016-03-02 | 安徽中鼎动力有限公司 | Engine body of two-stroke horizontal opposed-piston and opposed-cylinder engine |
| CN105402057A (en) * | 2015-12-08 | 2016-03-16 | 安徽中鼎动力有限公司 | Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines |
| CN105443261A (en) * | 2015-12-08 | 2016-03-30 | 安徽中鼎动力有限公司 | Air cylinder sleeve assembly for two-stroke horizontally and oppositely arranged piston and oppositely arranged air cylinder engine |
| CN114320644A (en) * | 2021-12-17 | 2022-04-12 | 中国北方发动机研究所(天津) | Novel cooling structure for double-opposite engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243255A1 (en) * | 1992-12-19 | 1994-06-23 | Graf Peter Von Ingelheim | Internal combustion engine with two pistons per work area, especially a two-stroke engine with DC flushing |
| CN1174590A (en) * | 1994-12-18 | 1998-02-25 | 戈特弗里德·勒斯勒 | Two-stroke internal combustion engine |
| US6170443B1 (en) * | 1998-09-11 | 2001-01-09 | Edward Mayer Halimi | Internal combustion engine with a single crankshaft and having opposed cylinders with opposed pistons |
| CN101765699A (en) * | 2007-06-06 | 2010-06-30 | 考克斯传动有限公司 | Internal combustion engines |
| CN103174513A (en) * | 2013-03-05 | 2013-06-26 | 安徽中鼎动力有限公司 | Combustion engine provided with opposed pistons, opposed air cylinders and single crankshaft |
-
2013
- 2013-09-09 CN CN201310407140.6A patent/CN103670698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243255A1 (en) * | 1992-12-19 | 1994-06-23 | Graf Peter Von Ingelheim | Internal combustion engine with two pistons per work area, especially a two-stroke engine with DC flushing |
| CN1174590A (en) * | 1994-12-18 | 1998-02-25 | 戈特弗里德·勒斯勒 | Two-stroke internal combustion engine |
| US6170443B1 (en) * | 1998-09-11 | 2001-01-09 | Edward Mayer Halimi | Internal combustion engine with a single crankshaft and having opposed cylinders with opposed pistons |
| CN101765699A (en) * | 2007-06-06 | 2010-06-30 | 考克斯传动有限公司 | Internal combustion engines |
| CN103174513A (en) * | 2013-03-05 | 2013-06-26 | 安徽中鼎动力有限公司 | Combustion engine provided with opposed pistons, opposed air cylinders and single crankshaft |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370397A (en) * | 2015-10-13 | 2016-03-02 | 安徽中鼎动力有限公司 | Engine body of two-stroke horizontal opposed-piston and opposed-cylinder engine |
| CN105370397B (en) * | 2015-10-13 | 2018-09-04 | 安徽中鼎动力有限公司 | A kind of body of the horizontally-opposed piston of two-stroke, opposed-cylinder engine |
| CN105402057A (en) * | 2015-12-08 | 2016-03-16 | 安徽中鼎动力有限公司 | Air inflow channel of two-stroke horizontally-opposed pistons and opposed air cylinder engines |
| CN105443261A (en) * | 2015-12-08 | 2016-03-30 | 安徽中鼎动力有限公司 | Air cylinder sleeve assembly for two-stroke horizontally and oppositely arranged piston and oppositely arranged air cylinder engine |
| CN114320644A (en) * | 2021-12-17 | 2022-04-12 | 中国北方发动机研究所(天津) | Novel cooling structure for double-opposite engine |
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Application publication date: 20140326 |