CN102230422A - Reciprocating piston type internal combustion engine - Google Patents
Reciprocating piston type internal combustion engine Download PDFInfo
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- CN102230422A CN102230422A CN 201110127738 CN201110127738A CN102230422A CN 102230422 A CN102230422 A CN 102230422A CN 201110127738 CN201110127738 CN 201110127738 CN 201110127738 A CN201110127738 A CN 201110127738A CN 102230422 A CN102230422 A CN 102230422A
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Abstract
The invention discloses a reciprocating piston type internal combustion engine which comprises a cylinder (1), a piston (2), piston connecting rods (3), a drive shaft (6) and a cam shaft (7), wherein the piston (2) is arranged in the cylinder (1); the piston (2) and the piston connecting rods (3) are connected into a whole; the drive shaft (6) is a straight shaft and is provided with a one-way gear (4); the piston connecting rods (3) are rack drive rods; the adjacent piston connecting rods (3) are linked through meshing with a linkage gear (5); and the lower ends of the piston connecting rods (3) are meshed with the one-way gear (4). The reciprocating piston type internal combustion engine transfers power in a one-way linear drive mannery, has succinct structural form and lower cost and solves the problems of power loss and cylinder abrasion brought by drive through using a crank connecting rod mechanism.
Description
Technical field
The present invention relates to a kind of reciprocating internal combustion machine mechanism technical field.
Background technique
Internal-combustion engine is a kind of energy conversion device, and the chemical energy of materials such as gasoline, diesel oil, rock gas is converted into heat energy by burning in cylinder, and heat energy is converted into mechanical energy by expansion, externally acting.
Stroke piston combustion engine is converted into heat energy with chemical energy in cylinder after, heat energy expands, and drive piston motion, thereby heat energy is converted into mechanical energy, be the torque that bent axle rotates by connecting rod with Conversion of energy again, externally acting.
Connecting rod is the groundwork mechanism of stroke piston combustion engine, is made up of body group, piston rod group and crankshaft-flywheel group.The body group is the skeleton of motor.The piston rod group is the to-and-fro motion of piston and the linkage unit that bent axle rotates, and the energy with reciprocating motion of the pistons in expansion stroke changes into the torque that bent axle rotates.The crankshaft-flywheel group comprises bent axle and flywheel, and bent axle is externally exported acting, and flywheel relies on inertia to drive reciprocating motion of the pistons by connecting rod behind expansion stroke, for other 3 strokes are prepared as inertia mechanism.
Existing stroke piston combustion engine mostly is quartastroke engine, and a work cycle of quartastroke engine comprises aspirating stroke, compression stroke, expansion stroke and exhaust stroke.The piston rod group changes into the energy of reciprocating motion of the pistons the torque of bent axle and flywheel rotation in expansion stroke.At other 3 strokes, piston relies on the rotator inertia of flywheel reciprocating.
At present, crank-connecting rod linkage mechanism transmitted power, the power loss that existence causes because of moment changes and the problem of cylinder wear, specific as follows:
1, in the initial moment of expansion stroke, piston is positioned at top dead center, piston rod and bent axle are in same vertical plane, piston rod is 0 to the opplied moment of bent axle, the active force maximum that this moment, the fuel blast produced, but force direction is vertical with point of action linear velocity direction, does not play to promote the effect that bent axle rotates, and power loss is bigger.
2, run to from top dead center this process of piston lower dead center when piston.When top dead center, owing to adopt crankshaft rod structure, the pressure on the piston is not converted into bent axle torsion, but the axle of directly buckling downwards, owing to adopt the bearing shell structure, be equivalent to increase the pressure of bent axle to bearing shell, the force of sliding friction between bent axle and the bearing shell increases, resistance when this has just increased the bent axle operation descends the efficiency of internal combustion engine.Rotation along with bent axle, also have the phenomenon of inclined to one side cylinder, the angle of piston rod and gravitational direction increases, the pressure along gravitational direction on the apply piston can decompose along substantially horizontal and piston rod direction, the component that produces a substantially horizontal makes piston press to casing wall, increase the surface friction drag between piston and casing wall, cause the efficiency of internal combustion engine to descend, this also is the main cause that causes cylinder wear to accelerate; And along the component of piston rod direction, resolve into once more at the intersection point place of piston rod and bent axle one along the power of the rotational line velocity attitude of bent axle and one along rotating the diametric power of circumference, therefore the torsion that obtains at last is less than initial piston pressure.
Summary of the invention
The technical problem to be solved in the present invention: provide a kind of stroke piston combustion engine driving mechanism, to solve the power loss and the cylinder wear problem of existing stroke piston combustion engine because of using the connecting rod transmission to be brought.
Technical solution of the present invention:
A kind of resurrection piston type internal-combustion engine, comprise cylinder, piston, piston rod, main power shaft and camshaft, be provided with piston in the cylinder, piston and piston rod fuse, main power shaft is a d-axis, which is provided with ratchet, and piston rod is the tooth bar drive link, link the tooth bar drive link lower end of piston rod and ratchet engagement by forming between two piston rods about adjacent with the driving gear engagement.
Ratchet comprises outer Knucle-gear and internal clickwork, and internal clickwork is contained on the main power shaft, the external tooth of outer Knucle-gear and piston rod engagement, internal tooth and internal clickwork engagement.
Cylinder has 4 at least.
Beneficial effect of the present invention:
The present invention adopts unidirectional straight-line mode, in expansion stroke, the rotational line velocity attitude with point of action is identical all the time to the direction of the active force of main power shaft acting for piston rod, avoided the power loss when piston is in top dead center, there is not cross component force simultaneously, can not increase the friction between piston and cylinder wall, avoid therefore and the power loss and the cylinder wear that produce.
Because outer Knucle-gear and internal clickwork can only be along the pin direction transmissions of taking advantage of a situation, the unidirectional straight line transmission of piston rod to main power shaft so just accomplished in then idle running in the counterclockwise direction, and this kind structure is more succinct with respect to existing crank driving mechanism; And main power shaft is d-axis, and simpler with respect to the crankshaft structure of present use, it is easier to make, so the cost of entire internal combustion engine is lower.
Description of drawings:
Fig. 1 is a forward structure schematic representation of the present invention;
Fig. 2 is a side direction structural representation of the present invention;
Fig. 3 is a working principle schematic representation of the present invention;
Fig. 4 is a ratchet fundamental diagram of the present invention.
Embodiment:
See Fig. 1, Fig. 2, present embodiment is the in-line four cylinder four-stroke gasoline engine.Be configured to: main power shaft 6 is provided with ratchet 4,7 of main power shaft 6 and camshafts are by chain transmission, below camshaft 7, cylinder 1 is arranged, being in-line arrangement arranges, piston 2 is arranged in the cylinder 1, piston 2 is connected with piston rod 3,3 of piston rods are by forming interlock with linkage gear 5 engagements, the tooth bar drive link lower end of piston rod 3 and ratchet 4 engagements, ratchet 4 comprises outer Knucle-gear 8 and internal clickwork 9, internal clickwork 9 is contained on the main power shaft 6, the external tooth of outer Knucle-gear 8 and piston rod 3 engagements, internal tooth and internal clickwork 9 engagements.
See Fig. 3, Fig. 4, in the present embodiment, cylinder 1 has 4, is respectively the first cylinder 1-1, the second cylinder 1-2, the 3rd cylinder 1-3, the 4th cylinder 1-4.Piston 2 has 4, is respectively first piston 2-1, the second piston 2-2, the 3rd piston 2-3, the 4th piston 2-4.Piston rod 3 has 4, is respectively first piston connecting rod 3-1, the second piston rod 3-2, the 3rd piston rod 3-3, the 4th piston rod 3-4.Ratchet has 4, is respectively the first ratchet 4-1, the second ratchet 4-2, the 3rd ratchet 4-3, the 4th ratchet 4-4.Driving gear 5 has 3, is respectively the first driving gear 5-1, the second driving gear 5-2, the 3rd driving gear 5-3.
The first piston connecting rod 3-1 and the second piston rod 3-2 mesh with the first driving gear 5-1 respectively, the second piston rod 3-2 and the 3rd piston rod 3-3 mesh with the second driving gear 5-2 respectively, the 3rd piston rod 3-3 and the 4th piston rod 3-4 mesh with the 3rd driving gear 5-3 respectively, constitute a linked system.
After starting working, any time, the first cylinder 1-1, the second cylinder 1-2, the 3rd cylinder 1-3, the 4th cylinder 1-4 respectively are in mutually different stroke, it is to be in expansion stroke that a cylinder is always only arranged, its corresponding piston rod is as the active force bar when being in expansion stroke, drive the motion of main power shaft 6 and other piston rod, make the porthole of each cylinder be in any one cylinder of the required state of stroke separately when finishing expansion stroke, also to drive other three cylinder and finish separately auxiliary stroke so drive the control system of steam discharge door.
When the first cylinder 1-1 was in expansion stroke, first piston connecting rod 3-1 moved downward, and drove the first ratchet 4-1 and do and clockwise rotate, and main power shaft 6 rotates thereupon.Simultaneously, first piston connecting rod 3-1 drives by the first linkage gear 5-1 that the second piston rod 3-2 moves upward, the 3rd piston rod 3-3 moves downward, the 4th piston rod 3-4 moves upward, for the second cylinder 1-2 finish steam discharge stroke, the 3rd cylinder 1-3 finish inhale the vapour stroke, the 4th cylinder 1-4 finishes compression stroke that power is provided.
After this, the first cylinder 1-1 is in exhaust stroke, this moment, the 4th cylinder 1-4 was in expansion stroke, first piston connecting rod 3-1 is as follower lever, moved upward by the 4th piston rod 3-4 drive, in this process, the first outer Knucle-gear 8-1 of the first ratchet 4-1 dallies counterclockwise, and first piston connecting rod 3-1 is not to main power shaft 6 generation effects.
After this, the first cylinder 1-1 is in suction stroke, this moment, the 3rd cylinder 1-3 was in expansion stroke, and first piston connecting rod 3-1 is moved downward by the 3rd piston rod 3-3 drive as follower lever, in this process, the outer Knucle-gear 8-1 of the first ratchet 4-1 clockwise rotates, but the first internal clickwork 9-1 does not rely on the first outer Knucle-gear 8-1 to rotate, but rotates with main power shaft 6, main power shaft 6 is driven by the 3rd piston rod 3-3 bar, and first piston connecting rod 3-1 is not to main power shaft 6 generation effects.
After this, the first cylinder 1-1 is in compression stroke, the second cylinder 1-2 is in expansion stroke, first piston connecting rod 3-1 is as follower lever, moved upward by second piston rod 3-2 drive, in this process, the first outer Knucle-gear 8-1 of the first ratchet 4-1 dallies counterclockwise, and first piston connecting rod 3-1 is not to main power shaft 6 generation effects.
The working procedure of the work cycle of the first cylinder 1-1 as mentioned above, the work cycle process of the second cylinder 1-2, the 3rd cylinder 1-3, the 4th cylinder 1-4 is identical with cylinder 1-1, no longer describes.The present embodiment ignition order is 1432, if be that all are the same for its principle of diesel engine.
Claims (3)
1. stroke piston combustion engine, comprise cylinder (1), piston (2), piston rod (3), main power shaft (6) and camshaft (7), be provided with piston (2) in the cylinder (1), piston (2) is connected with piston rod (3), it is characterized in that: main power shaft (6) is a d-axis, which is provided with ratchet (4); Piston rod (3) is the tooth bar drive link, forms interlock by linkage gear (5) engagement between the adjacent pistons connecting rod (3); The tooth bar drive link lower end of piston rod (3) and ratchet (4) engagement.
2. according to the described stroke piston combustion engine of claim 1, it is characterized in that: ratchet (4) comprises outer Knucle-gear (8) and internal clickwork (9), internal clickwork (9) is contained on the main power shaft (6), the external tooth of outer Knucle-gear (8) and piston rod (3) engagement, internal tooth and internal clickwork (9) engagement.
3. according to the described stroke piston combustion engine of claim 1, it is characterized in that: cylinder (1) has 4 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110127738 CN102230422A (en) | 2011-05-18 | 2011-05-18 | Reciprocating piston type internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110127738 CN102230422A (en) | 2011-05-18 | 2011-05-18 | Reciprocating piston type internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN102230422A true CN102230422A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110127738 Pending CN102230422A (en) | 2011-05-18 | 2011-05-18 | Reciprocating piston type internal combustion engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588107A (en) * | 2012-03-30 | 2012-07-18 | 常熟市赵市水磨粉厂 | Telescopic cylinder |
| CN102606300A (en) * | 2012-03-29 | 2012-07-25 | 常熟市新靓文辅亚农艺发展有限公司 | Telescopic cylinder combination mechanism capable of continuously outputting power |
| CN102606299A (en) * | 2012-03-29 | 2012-07-25 | 常熟市新靓文辅亚农艺发展有限公司 | Double-cylinder stable output power system |
| CN106194428A (en) * | 2014-12-20 | 2016-12-07 | 赵景杰 | A kind of internal combustion engine actuating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699731A (en) * | 2004-05-19 | 2005-11-23 | 有限会社卡依·爱依知工业 | Cylinder type rotary power transmission device |
| CN1940329A (en) * | 2005-09-28 | 2007-04-04 | 福特全球技术公司 | Ratcheting one-way clutch |
| CN102108898A (en) * | 2009-12-29 | 2011-06-29 | 陆国波 | Large-torque efficient energy-saving motor |
-
2011
- 2011-05-18 CN CN 201110127738 patent/CN102230422A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699731A (en) * | 2004-05-19 | 2005-11-23 | 有限会社卡依·爱依知工业 | Cylinder type rotary power transmission device |
| CN1940329A (en) * | 2005-09-28 | 2007-04-04 | 福特全球技术公司 | Ratcheting one-way clutch |
| CN102108898A (en) * | 2009-12-29 | 2011-06-29 | 陆国波 | Large-torque efficient energy-saving motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606300A (en) * | 2012-03-29 | 2012-07-25 | 常熟市新靓文辅亚农艺发展有限公司 | Telescopic cylinder combination mechanism capable of continuously outputting power |
| CN102606299A (en) * | 2012-03-29 | 2012-07-25 | 常熟市新靓文辅亚农艺发展有限公司 | Double-cylinder stable output power system |
| CN102588107A (en) * | 2012-03-30 | 2012-07-18 | 常熟市赵市水磨粉厂 | Telescopic cylinder |
| CN106194428A (en) * | 2014-12-20 | 2016-12-07 | 赵景杰 | A kind of internal combustion engine actuating device |
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Application publication date: 20111102 |