CN110185539B - Double-cylinder internal combustion engine - Google Patents
Double-cylinder internal combustion engine Download PDFInfo
- Publication number
- CN110185539B CN110185539B CN201910586827.8A CN201910586827A CN110185539B CN 110185539 B CN110185539 B CN 110185539B CN 201910586827 A CN201910586827 A CN 201910586827A CN 110185539 B CN110185539 B CN 110185539B
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- Prior art keywords
- internal combustion
- double
- combustion engine
- piston
- outer ring
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Classifications
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- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" 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
- F02B75/00—Other engines
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/24—Compensation of inertia forces of crankshaft systems by particular disposition of cranks, pistons, or the like
-
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders two
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- 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
Abstract
The invention discloses a double-cylinder internal combustion engine device, and belongs to the field of internal combustion engines. Aiming at the defects of complex crank structure, high material requirement, high processing difficulty, difficult elimination of inertia effect and noise and the like of the traditional internal combustion engine, the invention designs a double-cylinder internal combustion engine which uses a retainer-free curved groove ball bearing motion form conversion mechanism to replace a crank connecting rod mechanism. The 2 inner rings of the retainer-free curved groove ball bearing are fixedly connected, and a gear pair drives a gas distribution mechanism and an ignition (oil injection) mechanism, so that 2 sets of cylinders and pistons do opposite reciprocating motion, and the reciprocating inertia of the cylinders and pistons is automatically balanced. Compared with the prior art, the double-cylinder internal combustion engine disclosed by the invention has the following advantages: 1. the motion form is simple, only the rotary motion and the reciprocating motion are adopted, and the generated noise is small; 2. the inertia of the reciprocating motion is automatically counteracted, and the vibration is small; 3. the parts are low in processing requirement and easy to manufacture.
Description
Technical Field
The invention relates to a double-cylinder internal combustion engine device, and belongs to the field of power machinery. In particular to a double-cylinder internal combustion engine device based on a double retainer-free curved groove ball bearing motion form conversion mechanism.
Background
Since the invention of a reciprocating piston type internal combustion engine based on a crank-link mechanism, the development of industrial revolution and transportation technology is promoted, comfortable and rapid travel convenience is brought to people, and important influence is brought to the improvement of life quality of people. However, the crank has a complex structure, high requirements on materials and high processing difficulty, and is free from the defect, and meanwhile, the connecting rod is also stressed and has complex motion state, so that the complex inertia effect and noise are brought, and the crank is a historical proposition which is required to be continuously improved in the engine industry.
In the present invention, an internal combustion engine has been a power machine in which liquid or gaseous fuel is combusted in a cylinder, and heat energy emitted therefrom is directly converted into mechanical power. The common reciprocating piston internal combustion engine mainly comprises a cylinder, a piston, a crank, a connecting rod and the like. The air cylinder is a space for realizing working circulation and generating power; the piston can reciprocate in the cylinder sleeve, fuel is combusted in the cylinder, generated power pushes the piston to reciprocate, the crankshaft is pushed to rotate through the connecting rod, and then power is output from the flywheel end. When the device works, the small end of the connecting rod reciprocates along with the piston, the large end of the connecting rod rotates along with the crank pin around the axis of the crankshaft, and the rod body between the large end and the small end of the connecting rod swings in a complex mode. The function of the crankshaft is to convert the reciprocating motion of the piston into rotational motion and to transfer work from the expansion stroke out to drive the vehicle or mechanical device.
The application number is: 201910190746.6 discloses a reciprocating piston type internal combustion engine without a crank-link mechanism, which adopts the pushing stroke function of a retainer-free crank groove ball bearing and the vacuum suction stroke function of a plunger cylinder to realize the reciprocating cycle of the engine piston. The disadvantage is that after the plunger cylinder is worn, leakage can affect the reliability of the return stroke of the engine piston.
The patent application number is: the 201910392199.X patent discloses a motion form conversion mechanism of a double retainer-free curved groove ball bearing, which can realize the mutual conversion of rotary motion and reciprocating linear motion. On this basis, the patent application number is: 201910459566.3 discloses an internal combustion engine based on the motion form conversion mechanism, wherein all the motion parts of the internal combustion engine are axisymmetric rotary parts. But the inertia of the reciprocating motion of the piston and outer ring needs to be eliminated.
In order to overcome the reciprocating inertia of a piston and an outer ring of a single-cylinder internal combustion engine, the invention discloses a double-cylinder internal combustion engine, wherein 2 sets of cylinders and pistons are symmetrically arranged left and right to offset the inertia force of reciprocating motion.
Disclosure of Invention
The double-cylinder internal combustion engine can realize reciprocating motion with larger swing by using the retainer-free curved groove ball bearing and can realize reliable pushing and returning reciprocating motion by using the double retainer-free curved groove ball bearing. The invention designs 2 double-cylinder internal combustion engines with a retainer-free curved groove ball bearing motion form conversion mechanism instead of 2 sets of curved handle and connecting rod mechanisms. The 2 inner rings of the retainer-free curved groove ball bearing are fixedly connected, and a gear pair drives a gas distribution mechanism and an ignition (oil injection) mechanism, so that 2 sets of cylinders and pistons do opposite reciprocating motions to balance respective reciprocating inertias. The technical scheme for realizing the aim of the invention is as follows:
the utility model provides a double-cylinder internal combustion engine, by gas distribution gear (1), gas distribution shaft bearing (2), gas distribution shaft (3), right gas distribution cam (4), right admission valve (5), right discharge valve (6), right spark plug or fuel sprayer (7), right piston (8), right cylinder (9), right outer lane (10), double inner ring (11), inner ring bearing (12), inertial gear (13), left cylinder (14), left piston (15), left outer lane (16), left spark plug or fuel sprayer (17), left discharge valve (18), left admission valve (19), left gas distribution cam (20) and frame constitute, characterized by: the 2 groups of cylinders and the pistons are similar in shape and same in mass respectively and are symmetrically arranged at two ends of the double inner rings (11) left and right; the left piston (15) and the right piston (8) are respectively and eccentrically fixedly connected with the left outer ring (16) and the right outer ring (10); the double inner rings (11) are arranged on the rack by using inner ring bearings (12), an inertia gear (13) is arranged in the middle of each double inner ring (11), the rotary power of each double inner ring (11) is output, and a gas distribution mechanism and an ignition (oil injection) mechanism are driven by the gas distribution gear (1); the curved grooves at the left end and the right end of the double inner rings (11) are symmetrically arranged in phase, and simultaneously outwards and inwards, so that the 2 groups of outer rings drive the 2 groups of pistons to simultaneously outwards or inwards move in opposite directions, and the inertia force of the reciprocating motion is mutually counteracted;
the left outer ring (16) and the right outer ring (10) are eccentric on the same side as the left piston (15) and the right piston (8), namely are on the same upper side, the lower side or the left side and the right side, and the eccentric distances are equal;
the curved grooves at the left end and the right end of the double inner ring (11), the curved groove swing period of the left outer ring (16) and the curved groove swing period of the right outer ring (10) are all 2, namely the double inner ring (11) rotates for 1 week, the left outer ring (16) and the right outer ring (10) respectively have 2 complete outward swings and inward swings, and outward swing exhaust, inward swing suction, outward swing compression and inward swing work are respectively realized;
the inertia gear (13) is meshed with the air distribution gear (1), the number of teeth of the inertia gear (13) is 1 times, 2 times, 3 times or 4 times that of the air distribution gear (1), and the corresponding air distribution cam is provided with 1 group, 2 groups, 3 groups or 4 groups in a protruding mode;
the valve timing of the left valve cam (20) and the right valve cam (4) has 2 forms: one is that the gas distribution phases of the two are identical, namely, the two are compressed and do work simultaneously; secondly, the phases of the two are different, namely, when the left side inhales, the right side does work, and when the right side inhales, the left side does work;
the sections of the left piston (15), the right piston (8), the left cylinder (14) and the right cylinder (9) have 2 structures: one is circular, and the other is non-circular;
the distribution gear (1) is arranged at the other side of the eccentric part of the curved groove ball bearing and the piston cylinder;
more than 2 double-cylinder internal combustion engines are connected in parallel by an intermediate gear to form a unit, so that a multi-cylinder internal combustion engine is formed.
Compared with the prior art, the double-cylinder internal combustion engine disclosed by the invention has the following advantages:
1. the motion form is simple, only the rotary motion and the reciprocating motion are adopted, and the generated noise is small;
2. the inertia of the reciprocating motion is automatically counteracted, and the vibration is small;
3. the parts are low in processing requirement and easy to manufacture.
Drawings
FIG. 1 is a schematic view of the lower part of a gas distribution gear of a double-cylinder internal combustion engine;
FIG. 2 is a schematic diagram of a double inner ring structure of a double cylinder internal combustion engine;
FIG. 3 is a schematic view of the structure of the left outer ring (16);
FIG. 4 is a schematic view of the structure of the right outer ring (10);
FIG. 5 is a schematic diagram of the structure of a gas distribution gear of a double-cylinder internal combustion engine at the upper part;
the legend marks in the figures are respectively indicated as follows:
1-gas distribution gear, 2-gas distribution shaft bearing, 3-gas distribution shaft, 4-right gas distribution cam, 5-right gas inlet valve, 6-right gas outlet valve, 7-right spark plug (oil nozzle), 8-right piston, 9-right cylinder, 10-right outer ring, 11-double inner ring, 12-inner ring bearing, 13-inertial gear, 14-left cylinder, 15-left piston, 16-left outer ring, 17-left spark plug (oil nozzle), 18-left gas outlet valve, 19-left gas inlet valve and 20-left gas distribution cam.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings. As shown in fig. 1-5, the double-cylinder internal combustion engine disclosed by the invention comprises a gas distribution gear (1), a gas distribution shaft bearing (2), a gas distribution shaft (3), a right gas distribution cam (4), a right gas inlet valve (5), a right gas outlet valve (6), a right spark plug or oil nozzle (7), a right piston (8), a right cylinder (9), a right outer ring (10), a double inner ring (11), an inner ring bearing (12), an inertia gear (13), a left cylinder (14), a left piston (15), a left outer ring (16), a left spark plug or oil nozzle (17), a left gas outlet valve (18), a left gas inlet valve (19), a left gas distribution cam (20) and a frame; the shape and the mass of the 2 groups of cylinders and the pistons are the same, and the two groups of cylinders and the pistons are symmetrically arranged at the two ends of the double inner rings (11) left and right; the left piston (15) and the right piston (8) are respectively and eccentrically fixedly connected with the left outer ring (16) and the right outer ring (10); the double inner rings (11) are arranged on the frame by using an inner ring bearing (12), an inertia gear (13) is arranged in the middle of the double inner rings (11), the rotary power of the double inner rings (11) is output, and a valve mechanism and an ignition (oil injection) mechanism are driven by a valve gear (1); the curved groove phases at the left end and the right end of the double inner rings (11) are symmetrically arranged left and right, and simultaneously outwards and inwards, so that the 2 groups of outer rings drive the 2 groups of pistons to outwards or inwards move in opposite directions at the same time, and the inertia force of the reciprocating motion is counteracted;
preferably, the left outer ring (16) and the right outer ring (10) are on the same side with the eccentricities of the left piston (15) and the right piston (8), namely on the same upper side, the same lower side or the same left side and the same right side, and the eccentric distances are equal;
preferably, the inertia gear (13) is meshed with the distribution gear (1), and the teeth number of the inertia gear and the distribution gear is equal;
preferably, the curved grooves at the left end and the right end of the double inner ring (11) and the curved grooves of the left outer ring (16) and the right outer ring (10) are 2, namely the double inner ring (11) rotates for 1 week, and the left outer ring (16) and the right outer ring (10) respectively have 2 complete outward and inward swinging to respectively realize outward swinging exhaust, inward swinging suction, outward swinging compression and inward swinging work;
preferably, the valve timing of the left valve cam (20) is different from that of the right valve cam (4), namely, when the left side inhales, the right side does work, and when the right side inhales, the left side does work;
preferably, the cross sections of the left piston (15), the right piston (8), the left cylinder (14) and the right cylinder (9) are circular, and the eccentric distance between the piston and the outer ring is not zero, namely the axes of the left piston, the right piston, the left cylinder (8) and the right cylinder (9) are on two straight lines;
preferably, the air distribution gear (1) is arranged at the other side of the eccentric part of the curved groove ball bearing and the piston cylinder, namely the eccentric part of the curved groove ball bearing and the piston cylinder is arranged at the upper part, and the air distribution gear (1) is arranged at the lower part;
preferably, 2 double-cylinder internal combustion engines are connected in parallel by an intermediate gear to form a unit to form a 4-cylinder internal combustion engine, and the distribution phase is adjusted at the same time, so that the working strokes of the 4 cylinders are not overlapped, and 1 cylinder is ensured to do work at any stroke position.
In another embodiment of the present invention, as shown in fig. 5, the air distribution gear (1) is arranged at the other side of the eccentric part of the curved groove ball bearing and the piston cylinder, namely, the eccentric part of the curved groove ball bearing and the piston cylinder is arranged at the lower part, and the air distribution gear (1) is arranged at the upper part, so that a double-cylinder internal combustion engine can be also manufactured.
The invention discloses a double-cylinder internal combustion engine with double retainer-free curved groove ball bearings symmetrically arranged. Under the condition that the basic conception principle of the invention is the same, the invention can be designed into different cylinder sizes, different detail structural changes and partial improved structural forms, and all the structural forms form other embodiments of the invention.
Claims (4)
1. The double-cylinder internal combustion engine consists of a gas distribution gear (1), a gas distribution shaft bearing (2), a gas distribution shaft (3), a right gas distribution cam (4), a right gas inlet valve (5), a right gas outlet valve (6), a right spark plug or oil nozzle (7), a right piston (8), a right cylinder (9), a right outer ring (10), a double inner ring (11), an inner ring bearing (12), an inertia gear (13), a left cylinder (14), a left piston (15), a left outer ring (16), a left spark plug or oil nozzle (17), a left gas outlet valve (18), a left gas inlet valve (19), a left gas distribution cam (20) and a frame; the method is characterized in that: the shape and the mass of the 2 groups of cylinders and the pistons are the same, and the two groups of cylinders and the pistons are symmetrically arranged at the two ends of the double inner rings (11) left and right; the left piston (15) and the right piston (8) are respectively and eccentrically fixedly connected with the left outer ring (16) and the right outer ring (10); the double inner rings (11) are arranged on the rack through inner ring bearings (12), an inertia gear (13) is arranged in the middle of each double inner ring (11), rotary power of each double inner ring (11) is output, and a gas distribution mechanism and an ignition or oil injection mechanism are driven through a gas distribution gear (1); the curved groove phases at the left end and the right end of the double inner rings (11) are symmetrically arranged left and right, and simultaneously outwards and inwards, so that the 2 groups of outer rings drive the 2 groups of pistons to simultaneously outwards or inwards move in opposite directions, and the inertia force of the reciprocating motion is mutually counteracted;
the left outer ring (16) and the right outer ring (10) are eccentric on the same side as the left piston (15) and the right piston (8), namely are on the same upper side, the lower side or the left side and the right side, and the eccentric distances are equal;
the curved grooves at the left end and the right end of the double inner ring (11), the curved groove swing period of the left outer ring (16) and the curved groove swing period of the right outer ring (10) are all 2, namely the double inner ring (11) rotates for 1 week, the left outer ring (16) and the right outer ring (10) respectively have 2 complete outward swings and inward swings, and outward swing exhaust, inward swing suction, outward swing compression and inward swing work are respectively realized;
the valve timing of the left valve cam (20) and the right valve cam (4) has 2 forms: one is that the gas distribution phases of the two are identical, namely, the two are compressed and do work simultaneously; secondly, the phases of the two are different, namely, when the left side inhales, the right side does work, and when the right side inhales, the left side does work;
the sections of the left piston (15), the right piston (8), the left cylinder (14) and the right cylinder (9) have 2 structures: one is circular, and the other is non-circular.
2. The dual cylinder internal combustion engine of claim 1, wherein: the inertia gear (13) is meshed with the air distribution gear (1), the number of teeth of the inertia gear (13) is 1 times, 2 times, 3 times or 4 times that of the air distribution gear (1), and the corresponding air distribution cam is provided with 1 group, 2 groups, 3 groups or 4 groups in a protruding mode.
3. The dual cylinder internal combustion engine of claim 1, wherein: the distribution gear (1) is arranged on the other side of the eccentric part of the curved groove ball bearing and the piston cylinder.
4. The dual cylinder internal combustion engine of claim 1, wherein: more than 2 double-cylinder internal combustion engines are connected in parallel by an intermediate gear to form a unit, so that a multi-cylinder internal combustion engine is formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586827.8A CN110185539B (en) | 2019-07-01 | 2019-07-01 | Double-cylinder internal combustion engine |
| US16/744,995 US11193418B2 (en) | 2019-07-01 | 2020-01-16 | Double-cylinder internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586827.8A CN110185539B (en) | 2019-07-01 | 2019-07-01 | Double-cylinder internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN110185539A CN110185539A (en) | 2019-08-30 |
| CN110185539B true CN110185539B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910586827.8A Active CN110185539B (en) | 2019-07-01 | 2019-07-01 | Double-cylinder internal combustion engine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112733A (en) * | 2020-09-22 | 2020-12-22 | 东风汽车集团有限公司 | Valve driving structure of engine and using method thereof |
| CN217814829U (en) * | 2022-07-06 | 2022-11-15 | 浙江千机智能科技有限公司 | Reciprocating transmission mechanism and power equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794887A (en) * | 1986-04-04 | 1989-01-03 | Collins Motor Corporation Limited | Reciprocatory internal combustion engines |
| CN2528939Y (en) * | 2000-08-08 | 2003-01-01 | 向探真 | One-stroke internal-combustion engine |
| CN101765699A (en) * | 2007-06-06 | 2010-06-30 | 考克斯传动有限公司 | Internal combustion engines |
| CN210217918U (en) * | 2019-07-01 | 2020-03-31 | 西北农林科技大学 | Double-cylinder internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040075246A (en) * | 2003-02-20 | 2004-08-27 | 김주회 | Linar motion engine |
-
2019
- 2019-07-01 CN CN201910586827.8A patent/CN110185539B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794887A (en) * | 1986-04-04 | 1989-01-03 | Collins Motor Corporation Limited | Reciprocatory internal combustion engines |
| CN2528939Y (en) * | 2000-08-08 | 2003-01-01 | 向探真 | One-stroke internal-combustion engine |
| CN101765699A (en) * | 2007-06-06 | 2010-06-30 | 考克斯传动有限公司 | Internal combustion engines |
| CN210217918U (en) * | 2019-07-01 | 2020-03-31 | 西北农林科技大学 | Double-cylinder internal combustion engine |
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| CN110185539A (en) | 2019-08-30 |
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