CN106121806B - Engine driven supercharging minitype reciprocating piston formula internal combustion engine - Google Patents
Engine driven supercharging minitype reciprocating piston formula internal combustion engine Download PDFInfo
- Publication number
- CN106121806B CN106121806B CN201610486656.8A CN201610486656A CN106121806B CN 106121806 B CN106121806 B CN 106121806B CN 201610486656 A CN201610486656 A CN 201610486656A CN 106121806 B CN106121806 B CN 106121806B
- Authority
- CN
- China
- Prior art keywords
- bent axle
- cylinder block
- cylinder
- internal combustion
- combustion engine
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/04—Mechanical drives; Variable-gear-ratio drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/34—Ultra-small engines, e.g. for driving models
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
Abstract
The invention discloses a kind of engine driven supercharging minitype reciprocating piston formula internal combustion engines, including cylinder block, igniter, piston, sealing element, connecting rod, compressing device, bent axle and carburetor；The piston is installed in the cylinder of cylinder block, and in the crankcase of cylinder block, connecting rod is connected between piston and bent axle crankshaft installed；Cylinder block is equipped with the air intake duct of connection crankcase and cylinder and the exhaust duct for being expelled to the exhaust gas in cylinder outside cylinder block；The compressing device is driven by bent axle for being compressed to the combustion mixture for corresponding to air intake duct in crankcase；The engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention directly drives compressing device by bent axle and implements plenum, can effectively solve low minitype reciprocating piston formula internal combustion engine volumetric efficiency, deficiency of air, the problems such as scavenging is insufficient, combustion characteristics is poor.Further, since plunger designs are at " L " shape rod piece, compressing device is integrated with bent axle, simplifies Structure of Internal-Combustion Engine.
Description
Technical field
The present invention relates to a kind of micro internal combustion engine, especially two strokes, single-cylinder air-cooled engine driven supercharging minitype reciprocating pistons
Formula internal combustion engine.
Background technology
Using in two strokes, single-cylinder air-cooled, platinum filament igniting (Aalcohols fuel)/compression ignition (ether fuel) minitype reciprocating piston formula
Combustion engine has that simple in structure, size is small, light-weight, number of parts is few, reliable operation, easy maintenance, of low cost etc. excellent
Point, has wide practical use.In military field, minitype reciprocating piston formula internal combustion engine can be used as miniature self-service reconnaissance plane, small-sized
The power plant of bait machine, multipurpose small cruiser, miniature high-speed target drone, precision-guided munitions, the model of an airplane etc..In business
Energy field can be carried, minitype reciprocating piston formula internal combustion engine can be used for driving microgenerator, and then as carrying computer, hand
The battery system of the electronic devices such as machine, GPS receiver.But when existing minitype reciprocating piston formula Structure of Internal-Combustion Engine is reduced to grade
When other (cylinder diameter 10mm-1mm size ranges), there is that low quite serious volumetric efficiency, deficiency of air, scavenging be insufficient, combustion
The problems such as characteristic is poor is burnt, seriously affects the power performance and the economy performance of minitype reciprocating piston formula internal combustion engine, or even directly result in
It can not work normally.
Invention content
In view of this, the present invention is insufficient for solution grade minitype reciprocating piston formula air-intake of combustion engine amount, scavenging is insufficient,
The problems such as combustion characteristics is poor, it is proposed that a kind of engine driven supercharging, two strokes, single-cylinder air-cooled minitype reciprocating piston formula Structure of Internal-Combustion Engine.
The engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention, including cylinder block, igniter, piston, sealing element, company
Bar, compressing device, bent axle and carburetor；The piston is installed in the cylinder of cylinder block, and crankshaft installed is in the bent axle of cylinder block
In case, connecting rod is connected between piston and bent axle；Cylinder block is equipped with the air intake duct of connection crankcase and cylinder and for inciting somebody to action
Exhaust gas in cylinder is expelled to the exhaust duct outside cylinder block；The compressing device by bent axle drive for in crankcase correspond into
Combustion mixture at air flue is compressed.
Further, the compressing device is to be fixed on the axial-flow type of crankshaft front end to calm the anger blade or centrifugal blade of calming the anger.
Further, the compressing device is set to the front end of bent axle and is integrally formed with bent axle.
Further, the piston is " L " shape rod piece, and the vertical cylinder body of " L " shape rod piece is used as piston, and horizontal strut is used as
Piston pin and small end；Connecting rod lower end is connected to the crank-pin of bent axle.
Further, the igniter is fixed on cylinder head for lighting the combustion mixture in cylinder, and carburetor is solid
For being to provide combustion mixture inside crankcase at the top of crankcase；The cylinder block is monolithic construction, in cylinder block
Equipped with the threaded hole for installing carburetor and igniter.
Further, the igniter bottom face is equipped with groove and forms combustion chamber top surface.
Further, it is corresponded in the cylinder block below piston and bent axle rear is equipped with mounting hole and for that will install
The sealing element of hole sealing；The sealing element is made of metal-rubber composite seal, and sealing element is threadingly attached to accordingly
Mounting hole.
The beneficial effects of the invention are as follows：The engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention, is directly driven by bent axle
Dynamic pressure device of air implements plenum, can effectively solve that minitype reciprocating piston formula internal combustion engine volumetric efficiency is low, deficiency of air, sweeps
The problems such as gas is insufficient, combustion characteristics is poor.Further, since plunger designs are at " L " shape rod piece, compressing device and bent axle integrated one
Body simplifies Structure of Internal-Combustion Engine.
Description of the drawings
Fig. 1 is the outline drawing of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention；
Fig. 2 a, Fig. 2 b are the internal structure chart of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention；
Fig. 3 is the cylinder block sectional view of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention；
Fig. 4 a, Fig. 4 b are the toggle structural representation of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention
Figure；
Fig. 5 is the igniter and chamber structure schematic diagram of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention.
Specific implementation mode
Fig. 1 is the outline drawing of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention；Fig. 2 a, Fig. 2 b are present invention machinery
The internal structure chart of supercharging minitype reciprocating piston internal combustion engine；Fig. 3 is engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention
Cylinder block sectional view；Fig. 4 a, Fig. 4 b are the toggle knot of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention
Structure schematic diagram；Fig. 5 is the igniter and chamber structure schematic diagram of engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present invention, such as
Shown in figure：The engine driven supercharging minitype reciprocating piston formula internal combustion engine of the present embodiment, including cylinder block 1, igniter 2, piston 3, sealing
Part 4, connecting rod 5, compressing device 6, bent axle 7 and carburetor 8；The piston 3 is installed in the cylinder 12 of cylinder block 1, and bent axle 7 is installed
In in the crankcase 11 of cylinder block 1, connecting rod 5 is connected between piston 3 and bent axle 7；Cylinder block 1 is equipped with connection 11 He of crankcase
The air intake duct 10 of cylinder 12 and exhaust duct 9 for being expelled to the exhaust gas in cylinder 12 outside cylinder block 1；The compressing device
6 are driven by bent axle 7 for being compressed to the combustion mixture for corresponding to air intake duct 10 in crankcase 11；It can realize that air inlet increases
Pressure, can effectively solve that minitype reciprocating piston formula internal combustion engine volumetric efficiency is low, deficiency of air, scavenging is insufficient, combustion characteristics is poor
The problems such as, the air intake duct 10 is the groove structure of 12 inner wall of cylinder set on cylinder block 1, easy to process, is connect in the movement of piston 3
When nearly lower dead center in crankcase 11 combustion mixture by air intake duct 10 be pressed into cylinder 12, and by burn work done after exhaust gas from
Exhaust duct 9 is discharged；Cylinder block 1 is equipped with the mounting hole for being packed into for components such as piston 3, bent axle 7, connecting rods 5, and sealing element 4 is solid
For closing corresponding mounting hole at corresponding mounting hole.
In the present embodiment, the compressing device 6 is to be fixed on the axial-flow type of 7 front end of bent axle to calm the anger and blade or centrifugal calm the anger
Blade；Axial-flow type blade construction of calming the anger is shown in Fig. 2 a and Fig. 4 a, passes through and axial screw blade construction is fixedly installed on bent axle 7 realizes
Combustion mixture is compressed along the axial side of bent axle 7, effectively realizes the pressurization to the combustion mixture at air intake duct 10, together
The mobility of Shi Tigao combustion mixtures is conducive to improve air inflow and scavenging efficiency, reduces coefficient of residual gas；Centrifugal pressure
Gas blade construction is shown in Fig. 2 b and Fig. 4 b, pushes combustion mixture to surrounding using the guidance quality of blade, efficiency is higher, axial-flow type pressure
Gas blade and centrifugal blade of calming the anger are interchangeable, and compressing device 6 and bent axle 7 are integrated, simplify Structure of Internal-Combustion Engine, dress of calming the anger
It sets 6 to be set to inside cylinder block 1, therefore 7 front end of bent axle refers to the part that is located in cylinder block 1 of bent axle 7 close to 7 output end of bent axle
One end.
In the present embodiment, the compressing device 6 is set to the front end of bent axle 7 and is integrally formed with bent axle 7, and structural strength is high,
It processes, is easy to assembly, while reducing the complexity of mechanism, it is preceding to after being on the contrary with being oriented for 7 output end of bent axle
To.
In the present embodiment, the piston 3 is " L " shape rod piece, and the vertical cylinder body of " L " shape rod piece is used to coordinate with cylinder,
Horizontal strut connect as piston pin with 5 upper end of connecting rod；5 lower end of connecting rod is connected to the crank-pin of bent axle 7, simplifies internal combustion engine knot
Structure.
In the present embodiment, the igniter 2 is fixed on cylinder head and is used to light the combustion mixture in cylinder, carburetion
Device 8 is fixed at the top of crankcase for being to provide combustion mixture inside crankcase；The cylinder block 1 is monolithic construction, gas
Cylinder body 1 is equipped with the threaded hole for installing carburetor 8 and igniter 2；Cylinder block 1 is by cylinder cap, cylinder body and bent axle box function
Igniter 2 and carburetor 8 are fixed as one by the monolithic construction being integrated in one with cylinder block 1, compact-sized, outline body
Product is small, and suitable application area is wide.
In the present embodiment, 2 bottom surface of the igniter is equipped with groove 13 and forms combustion chamber top surface, and center is equipped with for lighting a fire
Platinum filament 14,13 structure of groove of 2 bottom surface of igniter is Internal Spherical Surface structure in the present embodiment, is conducive to improve flammable mixed in combustion chamber
The mobility for closing gas, makes combustion mixture in combustion chamber be sufficiently mixed and be uniformly distributed, and improves fuel economy and dynamic property, point
2 top surface of firearm is equipped with cross recess, easy to disassemble.
In the present embodiment, 3 lower section of piston is corresponded in the cylinder block 1 and 7 rear of bent axle is equipped with mounting hole and use
In the sealing element 4 for sealing mounting hole；The sealing element 4 is made of metal-rubber composite seal, and sealing element 4 passes through screw thread
Be connected to corresponding mounting hole, remove sealing element 4 can in cylinder block 1 piston 3 and bent axle 7 installed, dismantled or tieed up
It repaiies, 4 lateral surface of sealing element is equipped with cross recess, easy to disassemble.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (6)
1. a kind of engine driven supercharging minitype reciprocating piston formula internal combustion engine, it is characterised in that：Including cylinder block, igniter, piston, sealing
Part, connecting rod, compressing device, bent axle and carburetor；The piston is installed in the cylinder of cylinder block, and crankshaft installed is in cylinder block
In crankcase, connecting rod is connected between piston and bent axle；Cylinder block is equipped with the air intake duct and use of connection crankcase and cylinder
In the exhaust duct being expelled to the exhaust gas in cylinder outside cylinder block；The compressing device is driven by bent axle for right in crankcase
The combustion mixture at air intake duct is answered to be compressed；
The piston is " L " shape rod piece, and the vertical cylinder body of " L " shape rod piece is used as piston, and horizontal strut is used as piston pin and company
Bar upper end connects；Connecting rod lower end is connected to the crank-pin of bent axle.
2. engine driven supercharging minitype reciprocating piston formula internal combustion engine according to claim 1, it is characterised in that：The compressing device
Axial-flow type to be fixed on crankshaft front end is calmed the anger blade or centrifugal blade of calming the anger.
3. engine driven supercharging minitype reciprocating piston formula internal combustion engine according to claim 1, it is characterised in that：The compressing device
It is integrally formed set on the front end of bent axle and with bent axle.
4. engine driven supercharging minitype reciprocating piston formula internal combustion engine according to claim 1, it is characterised in that：The igniter is solid
It is used to light the combustion mixture in cylinder due to cylinder head, carburetor is fixed at the top of crankcase for in crankcase
Portion provides combustion mixture；The cylinder block is monolithic construction, and cylinder block is equipped with for installing carburetor and igniter
Threaded hole.
5. engine driven supercharging minitype reciprocating piston formula internal combustion engine according to claim 4, it is characterised in that：The igniter bottom
Face is equipped with groove and forms combustion chamber top surface.
6. engine driven supercharging minitype reciprocating piston formula internal combustion engine according to claim 5, it is characterised in that：In the cylinder block
Below corresponding piston and bent axle rear is equipped with mounting hole and the sealing element for sealing mounting hole；The sealing element by
Metal-rubber composite seal is made, and sealing element is threadingly attached to corresponding mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486656.8A CN106121806B (en) | 2016-06-28 | 2016-06-28 | Engine driven supercharging minitype reciprocating piston formula internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486656.8A CN106121806B (en) | 2016-06-28 | 2016-06-28 | Engine driven supercharging minitype reciprocating piston formula internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121806A CN106121806A (en) | 2016-11-16 |
| CN106121806B true CN106121806B (en) | 2018-09-21 |
Family
ID=57266901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486656.8A Expired - Fee Related CN106121806B (en) | 2016-06-28 | 2016-06-28 | Engine driven supercharging minitype reciprocating piston formula internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121806B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434348A (en) * | 1946-01-09 | 1948-01-13 | George H Brown | Crankcase compression supercharger for engines |
| CN1168946A (en) * | 1994-12-27 | 1997-12-31 | 雅马哈发动机株式会社 | Supercharged engine |
| US6112709A (en) * | 1999-04-15 | 2000-09-05 | Chu; Yu-Po | Boosting mechanism of two-stroke engine |
| DE202009004557U1 (en) * | 2009-04-02 | 2009-07-02 | Liu, Nai Wen, Shengang Township | Motor for remote-controlled model car |
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2016
- 2016-06-28 CN CN201610486656.8A patent/CN106121806B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106121806A (en) | 2016-11-16 |
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Granted publication date: 20180921 Termination date: 20190628 |
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